529 results match your criteria BMC Medical Imaging[Journal]


Cardiac left ventricular myocardial tissue density, evaluated by computed tomography and autopsy.

BMC Med Imaging 2019 04 12;19(1):29. Epub 2019 Apr 12.

Section of Forensic Pathology, Department of Forensic Medicine, University of Copenhagen, Frederik V's vej 11, 1 sal, 2100, Copenhagen, Denmark.

Background: Left ventricular mass (LVM) is an independent risk factor for the prediction of cardiac events. Its assessment is a clinically important diagnostic procedure in cardiology and may be performed by Computed Tomography (CT). The aim of this study was to assess the correlation between the cardiac left ventricular shell volume (LVShV) determined by postmortem Computed Tomography (PMCT) and the anatomic LVM obtained at autopsy and to calculate the myocardial tissue density. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-019-0326-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6461811PMC
April 2019
2 Reads

Echogenic foci in thyroid nodules: diagnostic performance with combination of TIRADS and echogenic foci.

BMC Med Imaging 2019 04 4;19(1):28. Epub 2019 Apr 4.

Department of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102, Heukseok-ro, Dongjak-gu, Seoul, 06973, South Korea.

Background: The malignancy risks of various echogenic foci in thyroid nodules are not consistent. The association between malignancy and echogenic foci and various Thyroid Imaging Reporting and Data System (TIRADS) in thyroid nodules has not been evaluated. We evaluated the malignancy probability and diagnostic performance of thyroid nodules with various echogenic foci and in combination with TIRADS. Read More

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http://dx.doi.org/10.1186/s12880-019-0328-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6449957PMC
April 2019
1 Read

Repeatability and reproducibility of cerebral Na imaging in healthy subjects.

BMC Med Imaging 2019 04 3;19(1):26. Epub 2019 Apr 3.

Institute of Diagnostic and Interventional Radiology, University Hospital Cologne, University of Cologne, Cologne, Germany.

Background: Initial reports of Na magnetic resonance imaging (MRI) date back to the 1970s. However, methodological challenges of the technique hampered its widespread adoption for many years. Recent technical developments have overcome some of these limitations and have led to more optimal conditions for Na-MR imaging. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-019-0324-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6446283PMC
April 2019
6 Reads

HF-SENSE: an improved partially parallel imaging using a high-pass filter.

BMC Med Imaging 2019 04 3;19(1):27. Epub 2019 Apr 3.

School of Biomedical Engineering, Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, Guangzhou, China.

Background: One of the major limitations of MRI is its slow acquisition speed. To accelerate data acquisition, partially parallel imaging (PPI) methods have been widely used in clinical applications such as sensitivity encoding (SENSE) and generalized autocalibrating partially parallel acquisitions (GRAPPA). SENSE is a popular image-domain partially parallel imaging method, which suffers from residual aliasing artifacts when the reduction factor goes higher. Read More

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http://dx.doi.org/10.1186/s12880-019-0327-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6448231PMC
April 2019
1 Read

Structured reporting of head and neck ultrasound examinations.

BMC Med Imaging 2019 03 27;19(1):25. Epub 2019 Mar 27.

Department of Otorhinolaryngology, University Medical Center Mainz, Langenbeckstraße 1, 55131, Mainz, Germany.

Background: Reports of head and neck ultrasound examinations are frequently written by hand as free texts. Naturally, quality and structure of free text reports is variable, depending on the examiner's individual level of experience. Aim of the present study was to compare the quality of free text reports (FTR) and structured reports (SR) of head and neck ultrasound examinations. Read More

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http://dx.doi.org/10.1186/s12880-019-0325-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6437950PMC
March 2019
3 Reads

Multi-parametric effect in predicting tumor histological grade by using susceptibility weighted magnetic resonance imaging in tongue squamous cell carcinoma.

BMC Med Imaging 2019 03 12;19(1):24. Epub 2019 Mar 12.

Department of Radiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, 200011, China.

Background: Susceptibility weighted imaging (SWI) is helpful for depicting hemorrhage, calcification, and increased vascularity in some neoplasms, which may reflect tumor grade. In this study, we aimed to apply SWI in patients with oral tongue squamous cell carcinomas (OTSCCs) and relate multi-parametric effect to tumor histological grade prediction.

Methods: Preoperative MR examinations were performed on a 1 . Read More

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http://dx.doi.org/10.1186/s12880-019-0322-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6417004PMC
March 2019
1 Read

Radiomics-based classification of hepatocellular carcinoma and hepatic haemangioma on precontrast magnetic resonance images.

BMC Med Imaging 2019 03 11;19(1):23. Epub 2019 Mar 11.

GE Healthcare, MR Research, Beijing, China.

Background: To evaluate the feasibility of using radiomics with precontrast magnetic resonance imaging for classifying hepatocellular carcinoma (HCC) and hepatic haemangioma (HH).

Methods: This study enrolled 369 consecutive patients with 446 lesions (a total of 222 HCCs and 224 HHs). A training set was constituted by randomly selecting 80% of the samples and the remaining samples were used to test. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-019-0321-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6417028PMC
March 2019
5 Reads

Automated detection of nonmelanoma skin cancer using digital images: a systematic review.

BMC Med Imaging 2019 02 28;19(1):21. Epub 2019 Feb 28.

Department of Biomedical Data Science, Dartmouth College, Lebanon, NH, USA.

Background: Computer-aided diagnosis of skin lesions is a growing area of research, but its application to nonmelanoma skin cancer (NMSC) is relatively under-studied. The purpose of this review is to synthesize the research that has been conducted on automated detection of NMSC using digital images and to assess the quality of evidence for the diagnostic accuracy of these technologies.

Methods: Eight databases (PubMed, Google Scholar, Embase, IEEE Xplore, Web of Science, SpringerLink, ScienceDirect, and the ACM Digital Library) were searched to identify diagnostic studies of NMSC using image-based machine learning models. Read More

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http://dx.doi.org/10.1186/s12880-019-0307-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6394090PMC
February 2019
2 Reads

Comparing radiomic classifiers and classifier ensembles for detection of peripheral zone prostate tumors on T2-weighted MRI: a multi-site study.

BMC Med Imaging 2019 02 28;19(1):22. Epub 2019 Feb 28.

Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA.

Background: For most computer-aided diagnosis (CAD) problems involving prostate cancer detection via medical imaging data, the choice of classifier has been largely ad hoc, or been motivated by classifier comparison studies that have involved large synthetic datasets. More significantly, it is currently unknown how classifier choices and trends generalize across multiple institutions, due to heterogeneous acquisition and intensity characteristics (especially when considering MR imaging data). In this work, we empirically evaluate and compare a number of different classifiers and classifier ensembles in a multi-site setting, for voxel-wise detection of prostate cancer (PCa) using radiomic texture features derived from high-resolution in vivo T2-weighted (T2w) MRI. Read More

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http://dx.doi.org/10.1186/s12880-019-0308-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6396464PMC
February 2019
1 Read

Semi-automated computed tomography Volumetry can predict hemihepatectomy specimens' volumes in patients with hepatic malignancy.

BMC Med Imaging 2019 02 26;19(1):20. Epub 2019 Feb 26.

Department of Diagnostic and Interventional Radiology, University Hospital Heidelberg, Heidelberg, Germany.

Background: One of the major causes of perioperative mortality of patients undergoing major hepatic resections is post-hepatectomy liver failure (PHLF). For preoperative appraisal of the risk of PHLF it is important to accurately predict resectate volume and future liver remnant volume (FLRV). The objective of our study is to prospectively evaluate the accuracy of hemihepatectomy resectate volumes that are determined by computed tomography volumetry (CTV) when compared with intraoperatively measured volumes and weights as gold standard in patients undergoing hemihepatectomy. Read More

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http://dx.doi.org/10.1186/s12880-019-0309-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6390596PMC
February 2019

Comparison of short axis and long axis acquisitions of T1 and extracellular volume mapping using MOLLI and SASHA in patients with myocardial infarction and healthy volunteers.

BMC Med Imaging 2019 02 22;19(1):18. Epub 2019 Feb 22.

Department of Clinical Sciences Lund, Clinical Physiology, Skåne University Hospital, Lund University, Lund, Sweden.

Background: Although previous studies have examined the impact of slice position in volumetric measurements in Cardiovascular Magnetic Resonance (CMR) imaging, very limited data are available today comparing T1 and Extra-Cellular Volume (ECV) measurements from short and long axis acquisitions. The purpose of this study was to investigate the impact of slice position and orientation on T1 and ECV measurements using the MOdified Look-Locker Inversion recovery (MOLLI) and Saturation recovery single-shot acquisition (SASHA) sequence in patients with myocardial infarction and in healthy volunteers.

Methods: Eight (8) healthy volunteers with no medical history and eight (8) patients with myocardial infarction were included in this study. Read More

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http://dx.doi.org/10.1186/s12880-019-0320-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387479PMC
February 2019

Tract integrity in amyotrophic lateral sclerosis: 6-month evaluation using MR diffusion tensor imaging.

BMC Med Imaging 2019 02 22;19(1):19. Epub 2019 Feb 22.

Faculty of Medicine, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, The University of Queensland, Herston, QLD, 4029, Australia.

Background: This study was performed to assess changes in diffusion tensor imaging (DTI) over time in patients with amyotrophic lateral sclerosis (ALS).

Methods: We performed DTI in 23 ALS patients who had two magnetic resonance imaging (MRI) scans at 6 month intervals and to correlate results with clinical features. The revised ALS functional rating scale (ALSFRS-R) was administered at each clinical visit. Read More

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http://dx.doi.org/10.1186/s12880-019-0319-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6387547PMC
February 2019

Computed tomography volumetry of esophageal cancer - the role of semiautomatic assessment.

BMC Med Imaging 2019 02 15;19(1):17. Epub 2019 Feb 15.

Department of Diagnostic Radiology and Karolinska Institutet, Karolinska University Hospital, CLINTEC, Stockholm, Sweden.

Background: The clinical and research value of Computed Tomography (CT) volumetry of esophageal cancer tumor size remains controversial. Development in CT technique and image analysis has made CT volumetry less cumbersome and it has gained renewed attention. The aim of this study was to assess esophageal tumor volume by semi-automatic measurements as compared to manual. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-019-0317-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6377716PMC
February 2019
2 Reads

Clinical and imaging manifestations of primary cardiac angiosarcoma.

BMC Med Imaging 2019 02 14;19(1):16. Epub 2019 Feb 14.

Magnetic Resonance Room, Sheng Li Oilfield Central Hospital, Shan Dong, 257034, China.

Background: To investigate the CT manifestations of primary cardiac angiosarcoma.

Methods: The clinical and CT data for 9 patients with cardiac angiosarcoma were retrospectively analyzed.

Results: The lesions in all nine cases were located in the right atrium. Read More

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http://dx.doi.org/10.1186/s12880-019-0318-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6375141PMC
February 2019
0.983 Impact Factor

CoreSlicer: a web toolkit for analytic morphomics.

BMC Med Imaging 2019 02 11;19(1):15. Epub 2019 Feb 11.

Department of Medicine, McGill University, 3755 Cote Ste Catherine Rd, E-222, Montreal, QC, H3T 1E2, Canada.

Background: Analytic morphomics, or more simply, "morphomics," refers to the measurement of specific biomarkers of body composition from medical imaging, most commonly computed tomography (CT) images. An emerging body of literature supports the use of morphomic markers measured on single-slice CT images for risk prediction in a range of clinical populations. However, uptake by healthcare providers been limited due to the lack of clinician-friendly software to facilitate measurements. Read More

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http://dx.doi.org/10.1186/s12880-019-0316-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6371488PMC
February 2019

Measuring liver fat fraction with complex-based chemical shift MRI: the effect of simplified sampling protocols on accuracy.

BMC Med Imaging 2019 02 8;19(1):14. Epub 2019 Feb 8.

Norfolk and Norwich University Hospital NHS Foundation Trust, Colney Ln, Norwich, NR4 7UY, UK.

Background: The assessment of liver percentage fat fraction (%FF) using proton density fat fraction sequences is becoming increasingly accessible. Previous studies have tended to use multiple small ROIs that focus on Couinaud segments. In an effort to simplify day-to-day analysis, this study assesses the impact of using larger, elliptical ROIs focused on a single hepatic lobe. Read More

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http://dx.doi.org/10.1186/s12880-019-0311-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6368805PMC
February 2019

Development of CT-based methods for longitudinal analyses of paranasal sinus osteitis in granulomatosis with polyangiitis.

BMC Med Imaging 2019 02 4;19(1):13. Epub 2019 Feb 4.

Division of Radiology and Nuclear Medicine, Oslo University Hospital, PB 4950 Nydalen, Oslo, 0424, Norway.

Background: Even though progressive rhinosinusitis with osteitis is a major clinical problem in granulomatosis with polyangiitis (GPA), there are no studies on how GPA-related osteitis develops over time, and no quantitative methods for longitudinal assessment. Here, we aimed to identify simple and robust CT-based methods for capture and quantification of time-dependent changes in GPA-related paranasal sinus osteitis and compare performance of the methods under study in a largely unselected GPA cohort.

Methods: GPA patients (n = 121) with ≥3 paranasal CT scans obtained ≥12 months apart and control patients not having GPA or rhinosinusitis (n = 15) were analysed by: (i) Global osteitis scoring scale (GOSS), originally developed for chronic rhinosinusitis; (ii) Paranasal sinus volume by manual segmentation; (iii) Mean maxillary and sphenoid diameter normalised to landmark distances (i. Read More

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http://dx.doi.org/10.1186/s12880-019-0315-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6360792PMC
February 2019
3 Reads

Use of magnetic resonance imaging combined with gene analysis for the diagnosis of fetal congenital heart disease.

BMC Med Imaging 2019 01 25;19(1):12. Epub 2019 Jan 25.

Department of Radiology, Maternity and Child Care Center of Liuzhou, Liuzhou, Guangxi Zhuang Autonomous Region, 545000, People's Republic of China.

Background: Fetal deformity is a disease caused by abnormal chromosome structure, which may be influenced by genetic factors as well as the maternal and external environment. Magnetic resonance imaging (MRI) may be used to effectively diagnose fetus deformities. However it has been reported that gene analysis is a more accurate diagnostic method. Read More

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http://dx.doi.org/10.1186/s12880-019-0314-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6347844PMC
January 2019
5 Reads

Hypoglycemic encephalopathy mimicking acute ischemic stroke in clinical presentation and magnetic resonance imaging: a case report.

BMC Med Imaging 2019 01 24;19(1):11. Epub 2019 Jan 24.

Department of Medical Imaging, Taipei Medical University Hospital, 252 Wu Hsing Street, Taipei, 110, Taiwan.

Background: The imaging findings of hypoglycemic encephalopathy can be considerably similar to those of ischemic infarction or toxic leukoencephalopathy. We demonstrated unusual magnetic resonance (MR) imaging features of hypoglycemic encephalopathy which can be confused with other pathology both on imaging and acute clinical presentation. The diffusion-weighted imaging (DWI) and apparent diffusion coefficients (ADC) map findings in our case further supports the hypothesis of hypoglycemia-induced "excitotoxic injury" of glial cells and myelin sheath that might protect neuron axons from intracellular edema and irreversible damage. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-019-0310-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6344988PMC
January 2019
13 Reads

Improving the prediction of the trabecular bone microarchitectural parameters using dental cone-beam computed tomography.

BMC Med Imaging 2019 01 23;19(1):10. Epub 2019 Jan 23.

School of Dentistry, College of Dentistry, China Medical University, Taichung, 404, Taiwan, Republic of China.

Background: In this study, we explored how various preprocessing approaches can be employed to enhance the capability of dental CBCT to accurately estimate trabecular bone microarchitectural parameters.

Methods: In total, 30 bovine vertebrae cancellous bone specimens were used for in study. Voxel resolution 18-μm micro-computed tomography (micro-CT) and 100-μm dental CBCT were used to scan each specimen. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-019-0313-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6343305PMC
January 2019
10 Reads

Accuracy of a non-invasive CT-based measuring technique for cement penetration depth in human tibial UKA.

BMC Med Imaging 2019 01 21;19(1). Epub 2019 Jan 21.

Ludwig Maximilians University Clinic for Orthopaedic Surgery, Campus Grosshadern, Marchioninistr. 15, 81377, Munich, Germany.

Background: Aseptic loosening of the tibial component remains a major cause of failure in unicompartmental knee arthroplasty (UKA) and may be related to micro-motion at the cement-bone interface due to insufficient cement penetration depth. Cement penetration is therefore taken as an indicator of solid fixation strength and primary stability. However, its non-invasive clinical assessment remains difficult in vivo as conventional x-ray is prone to distortion and CT-scans (computed tomography) are difficult to assess due to metal artifacts. Read More

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http://dx.doi.org/10.1186/s12880-019-0312-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6341644PMC
January 2019
6 Reads

An automatic restoration framework based on GPU-accelerated collateral filtering in brain MR images.

BMC Med Imaging 2019 01 19;19(1). Epub 2019 Jan 19.

Computational Biomedical Engineering Laboratory (CBEL), Department of Engineering Science and Ocean Engineering, National Taiwan University, No. 1 Sec. 4 Roosevelt Road, Daan, 10617, Taipei, Taiwan.

Background: Image restoration is one of the fundamental and essential tasks within image processing. In medical imaging, developing an effective algorithm that can automatically remove random noise in brain magnetic resonance (MR) images is challenging. The collateral filter has been shown a more powerful algorithm than many existing methods. Read More

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http://dx.doi.org/10.1186/s12880-019-0305-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6339330PMC
January 2019
1 Read

The role of ultrasound in the diagnosis of the coexistence of primary hyperparathyroidism and non-medullary thyroid carcinoma.

BMC Med Imaging 2019 01 18;19(1). Epub 2019 Jan 18.

Department of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Institute of Ultrasound in Medicine, 600 Yishan Road, Shanghai, 200233, China.

Background: The coexistence of primary hyperparathyroidism(PHPT) and papillary thyroid cancer(PTC) is a known entity; it is a rare and complicated setting for diagnostic imaging.

Methods: After reviewing clinical data of 112 patients who had been treated for PHPT in our facility between January 2015 and December 2017, we identified 7 non-medullary thyroid carcinoma (NMTC) (6.25%). Read More

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http://dx.doi.org/10.1186/s12880-019-0306-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6339388PMC
January 2019
4 Reads
0.983 Impact Factor

Temporally constrained ICA with threshold and its application to fMRI data.

BMC Med Imaging 2019 01 17;19(1). Epub 2019 Jan 17.

State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, 100875, China.

Background: Although independent component analysis (ICA) has been widely applied to functional magnetic resonance imaging (fMRI) data to reveal spatially independent brain networks, the order indetermination of ICA leads to the problem of target component selection. The temporally constrained independent component analysis (TCICA) is capable of automatically extracting the desired spatially independent components by adding the temporal prior information of the task to the mixing matrix for fMRI data analysis. However, the TCICA method can only extract a single component that tends to be a mix of multiple task-related components when there exist several independent components related to one task. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0300-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6337805PMC
January 2019
9 Reads
0.983 Impact Factor

MR imaging features of spinal pilocytic astrocytoma.

BMC Med Imaging 2019 01 14;19(1). Epub 2019 Jan 14.

Department of Radiology, Huashan Hospital, Fudan University, 12 Middle Wulumuqi Road, Jingan District, Shanghai, China.

Background: The purpose of this retrospective review is to determine the MR imaging features of pilocytic astrocytoma (PA) in the spinal cord to help neuroradiologists preoperatively differentiate PA from other intramedullary tumors.

Methods: Neuro-oncology database review revealed 13 consecutive patients with a pathological spinal PA diagnosis and availability of preoperative MR imaging. Three patients had preoperative diffusion-weighted MR imaging. Read More

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http://dx.doi.org/10.1186/s12880-018-0296-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6332544PMC
January 2019
2 Reads

Reduced scan range abdominopelvic CT in patients with suspected acute appendicitis - impact on diagnostic accuracy and effective radiation dose.

BMC Med Imaging 2019 01 11;19(1). Epub 2019 Jan 11.

Department of Diagnostic and Interventional Radiology, Eberhard-Karls-University Tuebingen, University Hospital Tuebingen, Hoppe-Seyler-Str. 3, 72076, Tuebingen, Germany.

Background: To evaluate a reduced range CT protocol in patients with suspected acute appendicitis as compared to standard abdominal CT regarding diagnostic performance, effective radiation dose and organ doses.

Methods: In this study, we retrospectively included 90 patients (43 female, mean age 56.7 ± 17 years) with suspected acute appendicitis who underwent CT of abdomen and pelvis. Read More

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http://dx.doi.org/10.1186/s12880-019-0304-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6329115PMC
January 2019
3 Reads

Improved visualization of peripherally inserted central catheters on chest radiographs of neonates using fractional multiscale image processing.

BMC Med Imaging 2019 01 7;19(1). Epub 2019 Jan 7.

Department of Radiology, University Hospital Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Maximiliansplatz 3, 91054, Erlangen, Germany.

Background: Peripherally inserted central catheters (PICCs) provide secure intravenous access for the delivery of life-sustaining medications and nutrition. They are commonly used in pediatrics. Confirmation of correct central catheter tip position is crucial. Read More

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http://dx.doi.org/10.1186/s12880-018-0302-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6322299PMC
January 2019
2 Reads

Probing the intravascular and interstitial compartments of remodeled myocardium in heart failure patients with preserved and reduced ejection fraction: a CMR study.

BMC Med Imaging 2019 01 5;19(1). Epub 2019 Jan 5.

Lausanne University Hospital, Cardiovascular Department, and University of Lausanne, Lausanne, Switzerland.

Background: Recent autopsy studies found microvascular rarefaction in remodeled myocardium of patients who died of heart failure with preserved ejection-fraction (HFpEF). This condition has not been investigated so far by non-invasive methods in patients with HFpEF. The aim was to quantify the intravascular volume (IVV) compartment by CMR in HFpEF patients. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0301-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6320584PMC
January 2019
31 Reads

Screening mammography for second breast cancers in women with history of early-stage breast cancer: factors and causes associated with non-detection.

BMC Med Imaging 2019 01 5;19(1). Epub 2019 Jan 5.

Department of Radiology, Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-Gil, Songpa-Gu, Seoul, 05505, South Korea.

Background: The aim of our study was to identify the factors and causes associated with non-detection for second breast cancers on screening mammography in women with a personal history of early-stage breast cancer.

Methods: Between January 2000 and December 2008, 7976 women with early-stage breast cancer underwent breast surgery in our institution. The inclusion criteria of our study were patients who had: (a) subsequent in-breast recurrence, (b) surveillance mammography within 1 year before recurrence. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0303-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6321714PMC
January 2019
3 Reads

Evaluation of quantitative parameters of dynamic contrast-enhanced magnetic resonance imaging in qualitative diagnosis of hepatic masses.

BMC Med Imaging 2018 12 27;18(1):56. Epub 2018 Dec 27.

Department of Thyroid Surgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266000, Shandong Province, China.

Background: To explore the value of parameters of multiphase dynamic contrast-enhanced magnetic resonance imaging (MDCE-MRI) in the qualitative diagnosis of hepatic masses.

Methods: Eighty patients with hepatic masses were retrospectively analyzed. All the patients underwent MDCE-MRI at 3. Read More

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http://dx.doi.org/10.1186/s12880-018-0299-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6307244PMC
December 2018
3 Reads

MRI assessment of aortic flow in patients with pulmonary arterial hypertension in response to exercise.

BMC Med Imaging 2018 12 22;18(1):55. Epub 2018 Dec 22.

Department of Medical Physics, University of Wisconsin, 1111 Highland Avenue, Room 1005, Madison, WI, 53705, USA.

Background: While primarily a right heart disease, pulmonary arterial hypertension (PAH) can impact left heart function and aortic flow through a shifted interventricular septum from right ventricular pressure overload and reduced left ventricular preload, among other mechanisms. In this study, we used phase contrast (PC) MRI and a modest exercise challenge to examine the effects of PAH on systemic circulation. While exercise challenges are typically performed with ultrasound in the clinic, MRI exercise studies allow for more reproducible image alignment, more accurate flow quantification, and improved tissue contrast. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0298-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6303959PMC
December 2018
15 Reads

Atypical localization of intraosseous angioleiomyoma in the rib of a pediatric patient: a case report.

BMC Med Imaging 2018 12 19;18(1):54. Epub 2018 Dec 19.

Institute of Pathology, School of Medicine, University of Belgrade, Dr Subotica 1, 11000, Belgrade, Republic of Serbia.

Background: This is the first reported case of a primary intraosseous angioleiomyoma and the second case of a primary leiomyoma of the rib, irrespective of age. Angioleiomyomas mostly occur in patients of advanced age, in any part of the body, particularly the lower extremities and present as painful, slow-growing nodules in the dermis, subcutaneous fat or deep fascia. Other localizations, especially bone, are considered extremely rare, as well as their occurrence in paediatric patients. Read More

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http://dx.doi.org/10.1186/s12880-018-0297-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6300016PMC
December 2018
6 Reads

Development of an algorithm to automatically compress a CT image to visually lossless threshold.

BMC Med Imaging 2018 12 17;18(1):53. Epub 2018 Dec 17.

Department of Radiology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, 82 Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do, 13620, Korea.

Background: To develop an algorithm to predict the visually lossless thresholds (VLTs) of CT images solely using the original images by exploiting the image features and DICOM header information for JPEG2000 compression and to evaluate the algorithm in comparison with pre-existing image fidelity metrics.

Methods: Five radiologists independently determined the VLT for 206 body CT images for JPEG2000 compression using QUEST procedure. The images were divided into training (n = 103) and testing (n = 103) sets. Read More

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http://dx.doi.org/10.1186/s12880-017-0244-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6297995PMC
December 2018
2 Reads

Ultrasound point shear wave elastography of the pancreas: comparison of patients with type 1 diabetes and healthy volunteers - results from a pilot study.

BMC Med Imaging 2018 12 13;18(1):52. Epub 2018 Dec 13.

Medicover Medical Centre, Münsterplatz 6, 89073, Ulm, Germany.

Background: The aims of this study were to establish shear wave elastography of the pancreas by comparing measurements in patients with type 1 diabetes (T1D) and healthy volunteers and to consider whether this method could contribute to the screening or prevention of T1D.

Methods: This pilot study included 15 patients with T1D (10 men, 5 women) and 15 healthy volunteers (10 men, 5 women) as controls. Measurements were performed with a Siemens Acuson S3000 (Siemens Healthcare, Erlangen, Germany) using a 6C1 convex transducer and the Virtual Touch™ tissue quantification (VTQ) method. Read More

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http://dx.doi.org/10.1186/s12880-018-0295-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6293554PMC
December 2018
1 Read

Quantification of liver iron overload disease with laser ablation inductively coupled plasma mass spectrometry.

BMC Med Imaging 2018 12 4;18(1):51. Epub 2018 Dec 4.

Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, Pauwelsstr 30, D-52074, Aachen, Germany.

Background: Hereditary hemochromatosis is the most frequent, identified, genetic disorder in Caucasians affecting about 1 in 1000 people of Northern European ancestry, where the associated genetic defect (homozygosity for the p.Cys282Tyr polymorphism in the HFE gene) has a prevalence of approximately 1:200. The disorder is characterized by excess iron stores in the body. Read More

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http://dx.doi.org/10.1186/s12880-018-0291-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6278171PMC
December 2018
4 Reads

Diagnostic efficacy of multiple MRI parameters in differentiating benign vs. malignant thyroid nodules.

BMC Med Imaging 2018 12 3;18(1):50. Epub 2018 Dec 3.

Department of Radiology, Minhang Branch, Zhongshan Hospital, Fudan University, Shanghai, China.

Background: Diffusion weighted imaging (DWI) has a good diagnostic value for malignant thyroid nodules, but the published protocols suffer from flaws and focus on the apparent diffusion coefficient (ADC). This study investigated the diagnostic performance of multiple MRI parameters in differentiating malignant from benign thyroid nodules.

Methods: This was a retrospective study of 181 consecutive patients (148 benign and 111 malignant nodules, confirmed by pathological results). Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0294-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6278127PMC
December 2018
13 Reads

Comparison of two different measurement methods in evaluating basilar atherosclerotic plaque using high-resolution MRI at 3 tesla.

BMC Med Imaging 2018 12 3;18(1):49. Epub 2018 Dec 3.

Department of Radiology, Changhai Hospital of Shanghai, The Second Military Medical University, No.168 Changhai Road, Shanghai, 200433, China.

Background: To compare the Self-referenced and Referenced measurement methods in assessing basilar artery (BA) atherosclerotic plaque employing dark blood high-resolution MRI at 3 Tesla.

Methods: Forty patients with > 20% stenosis as identified by conventional MRA were recruited and evaluated on a 3 Tesla MRI system. The outer wall, inner wall and lumen areas of maximal lumen narrowing site and the outer wall and lumen areas of sites that were proximal and distal to the maximal lumen narrowing site were manually traced. Read More

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http://dx.doi.org/10.1186/s12880-018-0293-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6276224PMC
December 2018
2 Reads

Classification of lung nodules in CT scans using three-dimensional deep convolutional neural networks with a checkpoint ensemble method.

BMC Med Imaging 2018 12 3;18(1):48. Epub 2018 Dec 3.

Department of Computer Science and Engineering, Korea University, Seoul, Republic of Korea.

Background: Accurately detecting and examining lung nodules early is key in diagnosing lung cancers and thus one of the best ways to prevent lung cancer deaths. Radiologists spend countless hours detecting small spherical-shaped nodules in computed tomography (CT) images. In addition, even after detecting nodule candidates, a considerable amount of effort and time is required for them to determine whether they are real nodules. Read More

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http://dx.doi.org/10.1186/s12880-018-0286-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6276244PMC
December 2018
8 Reads

Prognostic value of metabolic tumor volume of pretreatment F-FAMT PET/CT in non-small cell lung Cancer.

BMC Med Imaging 2018 11 26;18(1):46. Epub 2018 Nov 26.

Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Showa-machi 3-39-22, Maebashi, Gunma, 371-8511, Japan.

Background: This study aimed to determine the prognostic value of positron emission tomography (PET) metabolic parameters-namely metabolic tumor volume (MTV), total lesion glycolysis (TLG), and total lesion retention (TLR)-on fluorine-18 (F) fluorodeoxyglucose (FDG) and L- [3-F]-α-methyltyrosine (F-FAMT) PET/CT in patients with non-small-cell lung cancer (NSCLC).

Methods: The study group comprised 112 NSCLC patients who underwent F-FDG and F-FAMT PET/CT prior to any therapy. The MTV, TLG, TLR, and maximum standardized uptake value (SUV) of the primary tumors were determined. Read More

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http://dx.doi.org/10.1186/s12880-018-0292-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6258278PMC
November 2018
15 Reads

2D/3D CMR tissue tracking versus CMR tagging in the assessment of spontaneous T2DM rhesus monkeys with isolated diastolic dysfunction.

BMC Med Imaging 2018 11 26;18(1):47. Epub 2018 Nov 26.

Department of Radiology, West China Hospital, Sichuan University, 37 Guoxue alley, Chengdu, 610041, Sichuan Province, China.

Background: Spontaneous T2DM in rhesus monkeys manifests as isolated diastolic dysfunction in the early stage of diabetic cardiomyopathy, similar to humans. Myocardial deformation measurements have emerged as a superior way to measure left ventricular (LV) function in the early stage of cardiac dysfunction, making it possible to further evaluate early-stage LV dysfunction in spontaneous T2DM rhesus monkeys.

Methods: Spontaneous T2DM rhesus monkeys with isolated diastolic dysfunction (T2DM-DD, n = 10) and corresponding nondiabetic healthy animals (ND, n = 9) were prospectively scanned for a CMR study. Read More

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http://dx.doi.org/10.1186/s12880-018-0288-yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6258387PMC
November 2018
38 Reads

Evaluation of the diagnostic performance of the simple method of computed tomography in the assessment of patients with shoulder instability: a prospective cohort study.

BMC Med Imaging 2018 11 23;18(1):45. Epub 2018 Nov 23.

Department of Radiology, PLA general hospital, No.28 Fuxing Road, Haidian District, Beijing, 100000, China.

Background: Physical examinations may reveal the instability of a glenohumeral joint but cannot diagnose the bony Bankart lesions. Soft tissue Bankart lesion cannot be visualized on traditional radiogram. Magnetic resonance images have high cost and availability issues. Read More

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http://dx.doi.org/10.1186/s12880-018-0290-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6251116PMC
November 2018
24 Reads

Validation of 3D echocardiographic volume detection of left atrium by human cadaveric casts.

BMC Med Imaging 2018 11 15;18(1):43. Epub 2018 Nov 15.

Division of Cardiology, Heart and Lung Center, Helsinki University Central Hospital, Meilahti Tower Hospital, P.O. Box 340, FIN-00029 HUS, Helsinki, Finland.

Background: Left atrial volume is a prognostic factor in cardiac pathologies. We aimed to validate left atrial volume detection with 3D and 2D echocardiography (3DE and 2DE) by human cadaveric casts. 3DE facilitates measurement of atrial volume without geometrical assumptions or dependence on imaging angle in contrast to 2DE methods. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0282-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6238356PMC
November 2018
15 Reads

Gadoxetic acid-enhanced magnetic resonance imaging significantly influences the clinical course in patients with colorectal liver metastases.

BMC Med Imaging 2018 11 15;18(1):44. Epub 2018 Nov 15.

Department of Surgery, Leiden University Medical Center, P.O. Box 9600, Leiden, 2300 RC, The Netherlands.

Background: Gadoxetic acid (Primovist™)-enhanced magnetic resonance imaging (P-MRI) scans have higher accuracy and increased detection of small colorectal liver metastases (CRLM) compared to CT scans or conventional MRI scans. But, P-MRI scans are still inconsistently acquired in the diagnostic work up of patients with CRLM. The aim of this study was to determine the influence of P-MRI scans on treatment plan proposition and subsequently the clinical course of the patient. Read More

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http://dx.doi.org/10.1186/s12880-018-0289-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6238306PMC
November 2018
2 Reads

Performance of a feature-based algorithm for 3D-3D registration of CT angiography to cone-beam CT for endovascular repair of complex abdominal aortic aneurysms.

BMC Med Imaging 2018 11 8;18(1):42. Epub 2018 Nov 8.

Department of Electrical Engineering, Chalmers University of Technology, Gothenburg, Sweden.

Background: A crucial step in image fusion for intraoperative guidance during endovascular procedures is the registration of preoperative computed tomography angiography (CTA) with intraoperative Cone Beam CT (CBCT). Automatic tools for image registration facilitate the 3D image guidance workflow. However their performance is not always satisfactory. Read More

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http://dx.doi.org/10.1186/s12880-018-0285-1DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6225564PMC
November 2018
15 Reads

Value of flaccid penile ultrasound in screening for arteriogenic impotence: a preliminary prospective study.

BMC Med Imaging 2018 11 6;18(1):40. Epub 2018 Nov 6.

Department of Medical Ultrasonics, Institute of Diagnostic and Interventional Ultrasound, The First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan Road 2, Guangzhou, 510080, People's Republic of China.

Background: This prospective study is to evaluate the potential value of sonographic measurements in the flaccid penis for the screening of arteriogenic impotence.

Methods: A consecutive series of 260 Chinese males consulting for sexual dysfunction and 54 controls underwent sonographic examination. The sonographic parameters were correlated with the clinical gold standards, including the international index of erectile function (IIEF) and penile erectile hardness grading scale (EHGS). Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0284-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6219149PMC
November 2018
12 Reads
0.980 Impact Factor

Accurate hybrid template-based and MR-based attenuation correction using UTE images for simultaneous PET/MR brain imaging applications.

BMC Med Imaging 2018 11 6;18(1):41. Epub 2018 Nov 6.

Monash Biomedical Imaging, Monash University, Melbourne, Australia.

Background: Attenuation correction is one of the most crucial correction factors for accurate PET data quantitation in hybrid PET/MR scanners, and computing accurate attenuation coefficient maps from MR brain acquisitions is challenging. Here, we develop a method for accurate bone and air segmentation using MR ultrashort echo time (UTE) images.

Methods: MR UTE images from simultaneous MR and PET imaging of five healthy volunteers was used to generate a whole head, bone and air template image for inclusion into an improved MR derived attenuation correction map, and applied to PET image data for quantitative analysis. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0283-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6220492PMC
November 2018
15 Reads

Radial scars/complex sclerosing lesions of the breast: radiologic and clinicopathologic correlation.

BMC Med Imaging 2018 11 3;18(1):39. Epub 2018 Nov 3.

Department of Radiology, Kangwon National University Hospital, 200-722 Baengnyeong-Ro 156, Chuncheon-Si, Republic of Korea.

Background: We investigated the radiologic and clinical findings of radial scar and complex sclerosing lesions, and evaluated the rate of pathologic upgrade and predicting factors.

Methods: From review of our institution's database from January 2006 to December 2012, we enrolled 82 radial scars/complex sclerosing lesions in 80 women; 51 by ultrasound guided core needle biopsy, 1 by mammography-guided stereotactic biopsy, and 38 by surgical excision. The initial biopsy pathology revealed that 53 lesions were without high risk lesions and 29 were with high risk lesions. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0279-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6215659PMC
November 2018
15 Reads

High-definition neural visualization of rodent brain using micro-CT scanning and non-local-means processing.

BMC Med Imaging 2018 10 30;18(1):38. Epub 2018 Oct 30.

The Canberra Hospital, Yamba Drive, Garran, ACT, 2605, Australia.

Background: Micro-CT holds promising potential for phenotyping and histological purposes. However, few have clarified the difference in the neuroimaging quality between ex vivo and in vivo micro-CT scanners. In addition, no direct comparison has been made between micro-CT scans and standard microscopy. Read More

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http://dx.doi.org/10.1186/s12880-018-0280-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6208172PMC
October 2018
2 Reads

CT features of lung agenesis - a case series (6 cases).

BMC Med Imaging 2018 10 30;18(1):37. Epub 2018 Oct 30.

Department of Radiology, French Medical Institute for Mothers & Children (FMIC), behind Kabul Medical University, Jamal mina, P.O. Box: 472, Kabul, Afghanistan.

Back Ground: Lung agenesis is a rare congenital anomaly. The main etiology of the disease is unknown whereas genetic, iatrogenic and viral factors as well as vitamin A deficiency during early pregnancy may result in developmental failure of primitive lung bud causing unilateral pulmonary agenesis. Affected patients usually present with variable respiratory symptoms and recurrent chest infection at any age. Read More

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http://dx.doi.org/10.1186/s12880-018-0281-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6208179PMC
October 2018
5 Reads
0.983 Impact Factor

Dual-phase whole-heart imaging using image navigation in congenital heart disease.

BMC Med Imaging 2018 10 16;18(1):36. Epub 2018 Oct 16.

Division of Imaging Sciences, King's College London, London, UK.

Background: Dual-phase 3-dimensional whole-heart acquisition allows simultaneous imaging during systole and diastole. Respiratory navigator gating and tracking of the diaphragm is used with limited accuracy. Prolonged scan time is common, and navigation often fails in patients with erratic breathing. Read More

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https://bmcmedimaging.biomedcentral.com/articles/10.1186/s12
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http://dx.doi.org/10.1186/s12880-018-0278-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6192322PMC
October 2018
12 Reads