8,518 results match your criteria Acta Radiologica[Journal]


Free-breathing BLADE acquisition method improves T2-weighted cardiac MR image quality compared with conventional breath-hold turbo spin-echo cartesian acquisition.

Acta Radiol 2020 May 22:284185120924567. Epub 2020 May 22.

Department of Radiology, Zhongshan Hospital, Fudan University and Shanghai Institute of Medical Imaging, Shanghai, PR China.

Background: Cardiac magnetic resonance (MR) has become an essential diagnostic imaging modality in cardiovascular disease. However, the insufficient image quality of traditional breath-hold (BH) T2-weighted (T2W) imaging may compromise its diagnostic accuracy.

Purpose: To assess the efficacy of the BLADE technique to reduce motion artifacts and improve the image quality. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120924567DOI Listing

Surveillance of small, solid pulmonary nodules at digital chest tomosynthesis: data from a cohort of the pilot Swedish CArdioPulmonary bioImage Study (SCAPIS).

Acta Radiol 2020 May 21:284185120923106. Epub 2020 May 21.

Department of Radiology, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg, Sweden.

Background: Digital tomosynthesis (DTS) might be a low-dose/low-cost alternative to computed tomography (CT).

Purpose: To investigate DTS relative to CT for surveillance of incidental, solid pulmonary nodules.

Material And Methods: Recruited from a population study, 106 participants with indeterminate solid pulmonary nodules on CT underwent surveillance with concurrently performed CT and DTS. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120923106DOI Listing

Computed tomography manifestations in super early stage 2019 novel coronavirus pneumonia.

Acta Radiol 2020 May 21:284185120924806. Epub 2020 May 21.

The Second School of Clinical Medicine, Southern Medical University, Guangzhou, PR China.

Background: The recent outbreak of pneumonia cases in Wuhan, PR China, was caused by a novel beta coronavirus, the 2019 novel coronavirus (COVID-19).

Purpose: To summarize chest computed tomography (CT) manifestations of the early stage of COVID-19 infection and provide a piece of reliable imaging evidence for initial screening and diagnosis.

Material And Methods: From 10 January 2020 to 10 February 2020, we continuously observed chest CT imaging of 14 patients with clinically suspected new coronavirus infection in the two weeks after onset of symptoms. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120924806DOI Listing

Overreporting of the disc herniation in lumbar spine MRI scans performed for patients with spondylolisthesis.

Acta Radiol 2020 May 21:284185120925483. Epub 2020 May 21.

Department of Orthopaedic Surgery, University of Toledo Medical Center, Toledo, OH, USA.

Background: Spondylolisthesis is often misdiagnosed on magnetic resonance imaging (MRI) as the slip may reduce to a normal alignment when the patient lies supine. Often, disc herniation is reported at the level of spondylolisthesis.

Purpose: To determine the incidence rates of disc herniation at the level of spondylolisthesis. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120925483DOI Listing

Visibility of bronchial arteries using virtual and advanced virtual monoenergetic imaging.

Acta Radiol 2020 May 19:284185120923992. Epub 2020 May 19.

Department of Diagnostic Radiology, Tokai University School of Medicine, Isehara, Japan.

Background: The utility of virtual monoenergetic imaging (VMI) for fine arteries has not been well clarified.

Purpose: To assess bronchial artery visualization using VMI and noise-optimized advanced VMI (VMI+).

Material And Methods: Eighty-seven patients with esophageal cancer underwent computed tomography (CT) using a third-generation dual-source system before surgery. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120923992DOI Listing

Abnormal functional connectivity and effective connectivity between the default mode network and attention networks in patients with alcohol-use disorder.

Acta Radiol 2020 May 18:284185120923270. Epub 2020 May 18.

Department of Radiology, Renmin Hospital of Wuhan University, Wuhan, PR China.

Background: Patients with alcohol-use disorder (AUD) demonstrate dysfunctional cerebral network connectivity. However, limited studies have investigated attention systems in AUD.

Purpose: To assess functional (FC) and effective connectivity (EC) in the dorsal (DAN) and ventral attention networks (VAN) and default mode network (DMN) in patients with AUD using resting-state functional magnetic resonance imaging (rs-fMRI). Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120923270DOI Listing

The effect of computed tomography on oxidative stress level and some antioxidant parameters.

Acta Radiol 2020 May 12:284185120922135. Epub 2020 May 12.

Department of Radiology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey.

Background: X-rays are defined as ionizing radiation and hydrolyze the water, causing free radical formation. Oxidative stress is the damage that occurs in cells due to the lack of antioxidants, which detoxifies them, with the increased production of free radicals that occur during normal cellular metabolism.

Purpose: To examine the acute effects of computed tomography (CT), i. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120922135DOI Listing

Association of apparent diffusion coefficient with Ki-67 proliferation index, progesterone-receptor status and various histopathological parameters, and its utility in predicting the high grade in meningiomas.

Acta Radiol 2020 May 12:284185120922142. Epub 2020 May 12.

Department of Pathology, Tepecik Training and Research Hospital, Konak, Izmir, Turkey.

Background: Accurate preoperative determination of the histological grade and cellular proliferative potential of meningioma by non-invasive imaging is of paramount importance.

Purpose: To evaluate the utility of apparent diffusion coefficient (ADC) in determining the histological grade of meningioma, and to investigate the correlation of ADC with Ki-67 proliferation index (PI), progesterone receptor (PR) status, and a number of other histopathological parameters.

Material And Methods: Histopathologically confirmed 94 meningioma patients (72 low-grade, 22 high-grade) who had undergone preoperative diffusion-weighted imaging were retrospectively evaluated. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120922142DOI Listing

Swallow tail sign on susceptibility map-weighted imaging (SMWI) for disease diagnosing and severity evaluating in parkinsonism.

Acta Radiol 2020 May 7:284185120920793. Epub 2020 May 7.

Department of Radiology, Huashan Hospital, Fudan University, Shanghai, PR China.

Background: Loss of swallow tail sign (STS) on iron-sensitive magnetic resonance imaging (MRI) has been recognized as an imaging feature in parkinsonism (PS).

Purpose: To investigate the diagnostic and differential diagnostic value of STS scale on susceptibility map-weighted imaging (SMWI) in PS, including Parkinson's disease (PD), progressive supranuclear palsy syndrome (PSP), and multiple system atrophy (MSA), and to evaluate its correlation with disease severity.

Material And Methods: Ninety-nine patients (55 PD, 29 PSP, and 15 MSA) and 47 healthy controls (HC) were prospectively recruited and scanned using quantitative susceptibility mapping (QSM). Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120920793DOI Listing

Imaging appearance of post-arthroscopic radiocarpal chondrolysis: comparison with osteoarthritis associated with scapholunate dissociation.

Acta Radiol 2020 May 7:284185120922819. Epub 2020 May 7.

Department of Radiology, Korea University Anam Hospital, Seoul, Republic of Korea.

Background: Since the diagnosis of post-arthroscopic chondrolysis is very difficult, it can be underdiagnosed and confused with other diseases in clinical practice.

Purpose: To propose imaging features of post-arthroscopic radiocarpal chondrolysis (PRCC) and to compare these with osteoarthritis associated with scapholunate dissociation which are the most common misdiagnoses of PRCC.

Material And Methods: To identify missed diagnoses of PRCC, 994 magnetic resonance imaging scans performed in 910 patients were retrospectively reviewed. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120922819DOI Listing

Quantitative mapping of the substantia nigra using phase-sensitive inversion recovery sequence at 3.0-T: a healthy volunteer study.

Acta Radiol 2020 May 7:284185120920806. Epub 2020 May 7.

Department of Medical Radiation Sciences, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan.

Background: Quantitative evaluation of degeneration of the substantia nigra (SN) is important for early, pre-symptomatic diagnosis of Parkinson's disease (PD). Accordingly, a clinically feasible imaging and quantification technique are needed.

Purpose: To investigate the value of the SN in healthy individuals from phase-sensitive inversion recovery (PSIR) images and to clarify its correlation with the SN characteristics on neuromelanin (NM) images to identify an imaging biomarker for early diagnosis of PD. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120920806DOI Listing

Differentiation between non-hypervascular pancreatic neuroendocrine tumors and mass-forming pancreatitis using contrast-enhanced computed tomography.

Acta Radiol 2020 May 6:284185120921503. Epub 2020 May 6.

Department of Radiology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, PR China.

Background: Non-hypervascular pancreatic neuroendocrine tumors (PNETs) showed slight or iso-enhancement in contrast-enhanced computed tomography (CE-CT), which shared similar imaging findings with mass-forming pancreatitis (MFPs).

Purpose: To explore the value of CT imaging features in differentiating the two diseases.

Material And Methods: Fifty-one patients with histologically proved MFPs (n = 27) or non-hypervascular PNETs (n = 24) were included. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120921503DOI Listing

Evaluation of toxicity of gadolinium-based contrast agents on neuronal cells.

Acta Radiol 2020 May 4:284185120920801. Epub 2020 May 4.

Department of Physiology, Ege University School of Medicine, Izmir, Turkey.

Background: Gadolinium-based contrast agents (GBCAs) are widely used in magnetic resonance imaging (MRI). Recently, increased signal intensity has been reported in specific brain areas after repeated administrations of GBCAs.

Purpose: To investigate the toxic effects of GBCAs on neuronal cells by using SH-SY5Y neuroblastoma cell cultures. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120920801DOI Listing

Is the standard deviation of the apparent diffusion coefficient a potential tool for the preoperative prediction of tumor grade in endometrial cancer?

Acta Radiol 2020 May 4:284185120915596. Epub 2020 May 4.

Department of Medical Imaging, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, People's Republic of China.

Background: The tumor histological grade is closely related to the prognosis of endometrial cancer (EC). The use of the apparent diffusion coefficient (ADC), tumor volume, and MRI-based texture analysis has allowed exciting advances in predicting EC grade before surgery. However, whether this constitutes a simple, convenient, and powerful diagnostic method remains unknown. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120915596DOI Listing

Integrity of the pectineal ligament in MRI correlates with radiographic superior pubic ramus fracture displacement.

Acta Radiol 2020 Apr 28:284185120913002. Epub 2020 Apr 28.

Department of Orthopaedics, Trauma and Plastic Surgery, University Hospital Leipzig, Leipzig, Germany.

Background: Estimating the stability of pelvic lateral compression fractures solely by static radiographs can be difficult. In this context, the role of anterior pelvic soft tissues as potential secondary stabilizer of the pelvic ring has hardly been investigated.

Purpose: To correlate the initial radiographic appearance of the pubic ramus fracture with the integrity of the pectineal ligament, a strong ligament along the pecten pubis. Read More

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120913002DOI Listing

UTE T2* mapping of tendinopathic patellar tendons: an MRI reproducibility study.

Acta Radiol 2020 Apr 27:284185120918807. Epub 2020 Apr 27.

Department of Radiology, Copenhagen University Hospital, Bispebjerg and Frederiksberg, Copenhagen, Denmark.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120918807DOI Listing

Three different computed tomography obesity indices, two standard methods, and one novel measurement, and their association with outcomes after colorectal cancer surgery.

Acta Radiol 2020 Apr 26:284185120918373. Epub 2020 Apr 26.

Institute of Regional Health Science, University of Southern Denmark, Odense, Denmark.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120918373DOI Listing

The validity of grayscale and color Doppler ultrasound in assessment of scrotal swellings: a retrospective study in a large case series.

Acta Radiol 2020 Apr 26:284185120916836. Epub 2020 Apr 26.

Department of Radio-diagnosis, Faculty of Human Medicine, Benha University, Benha, Egypt.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120916836DOI Listing
April 2020
1.350 Impact Factor

Staging liver fibrosis on multiparametric MRI in a rabbit model with elastography, susceptibility-weighted imaging and T1ρ imaging: a preliminary study.

Acta Radiol 2020 Apr 23:284185120917117. Epub 2020 Apr 23.

Department of Radiology, Third Affiliated Hospital of Soochow University & Changzhou First People's Hospital, Changzhou, Jiangsu, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120917117DOI Listing

Natural growth pattern of sporadic renal angiomyolipoma.

Acta Radiol 2020 Apr 22:284185120918372. Epub 2020 Apr 22.

Beaumont Hospital, Dublin, Ireland.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120918372DOI Listing

Plaque enhancement in multi-cerebrovascular beds associates with acute cerebral infarction.

Acta Radiol 2020 Apr 21:284185120915604. Epub 2020 Apr 21.

Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University School of Medicine, Beijing, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120915604DOI Listing
April 2020
1.350 Impact Factor

Impact of mandated prospectively reported apparent diffusion coefficient values on the rates of positivity for clinically significant prostate cancer by PI-RADS score.

Acta Radiol 2020 Apr 20:284185120915617. Epub 2020 Apr 20.

Department of Urology, Columbia University Medical Center, New York, NY, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120915617DOI Listing

Cerebral angiography using transauricular access in a rabbit model: a new technique.

Acta Radiol 2020 Apr 20:284185120915672. Epub 2020 Apr 20.

College of Pharmacy, Pusan National University, Busan, Republic of Korea.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120915672DOI Listing

Evaluation of equivocal small cystic pancreatic lesions with spectral-detector computed tomography.

Acta Radiol 2020 Apr 19:284185120917119. Epub 2020 Apr 19.

Department of Radiology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120917119DOI Listing

Initial experience of irreversible electroporation for locally advanced pancreatic cancer in a Korean population.

Acta Radiol 2020 Apr 15:284185120917118. Epub 2020 Apr 15.

Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Republic of Korea.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120917118DOI Listing

Quantitative brain histogram of canine epilepsy using magnetic resonance imaging.

Acta Radiol 2020 Apr 15:284185120914031. Epub 2020 Apr 15.

Department of Clinical Sciences and Public Health, Faculty of Veterinary Science, Mahidol University, Nakhon Pathom, Thailand.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120914031DOI Listing

Dual-energy CT to differentiate gallbladder polyps: cholesterol versus adenomatous.

Acta Radiol 2020 Apr 15:284185120916202. Epub 2020 Apr 15.

Department of Medical Imaging, Suzhou Ninth People's Hospital, Wujiang, Jiangsu, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120916202DOI Listing

Evaluation of the anti-angiogenic effect of bevacizumab on rat C6 glioma by spectral computed tomography.

Acta Radiol 2020 Apr 14:284185120916200. Epub 2020 Apr 14.

Department of Radiology, Lanzhou University Second Hospital, Lanzhou, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120916200DOI Listing

Perfusion-based functional magnetic resonance imaging for differentiating serous borderline ovarian tumors from early serous ovarian cancers in a rat model.

Acta Radiol 2020 Apr 10:284185120913711. Epub 2020 Apr 10.

Department of Radiology, Jinshan Hospital, Shanghai Medical College, Fudan University, Shanghai, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120913711DOI Listing
April 2020
1.350 Impact Factor

MR-guided focused ultrasound application for moving target tumor ablation in abdominal area: coil selection.

Acta Radiol 2020 Apr 10:284185120914059. Epub 2020 Apr 10.

IMSaT, Division of Imaging and Technology School of Medicine. University of Dundee, Dundee, UK.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120914059DOI Listing

Morphological changes of the thyroid gland as a new radiographic marker for lung cancer treatment efficacy of immune checkpoint inhibitors.

Acta Radiol 2020 Apr 8:284185120916197. Epub 2020 Apr 8.

Department of Radiology, Tokyo Medical University Hospital, Tokyo, Japan.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120916197DOI Listing

CT-based quantification of short-term tissue shrinkage following hepatic microwave ablation in an in vivo porcine liver model.

Acta Radiol 2020 Apr 7:284185120914452. Epub 2020 Apr 7.

Charité - Universitätsmedizin Berlin, Department of Radiology, Berlin, Germany.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120914452DOI Listing

Automatic orbital computed tomography coordinating method and quantitative error evaluation based on signed distance field.

Acta Radiol 2020 Apr 6:284185120914029. Epub 2020 Apr 6.

Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120914029DOI Listing

Xenia Forsselliana 2019.

Authors:
Henrik S Thomsen

Acta Radiol 2020 Apr 6:284185120914566. Epub 2020 Apr 6.

Editor in Chief, Acta Radiologica.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120914566DOI Listing

Real-time dynamic 3-T MRI assessment of spine kinematics: a feasibility study utilizing three different fast pulse sequences.

Acta Radiol 2020 Mar 31:284185120913000. Epub 2020 Mar 31.

Department of Radiology, NYU Langone Health, New York, NY, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120913000DOI Listing

Acute cholecystitis: predictive clinico-radiological assessment for conversion of laparoscopic cholecystectomy.

Acta Radiol 2020 Mar 30:284185120906658. Epub 2020 Mar 30.

Department of Radiology, Gil Medical Center of Gachon University, Incheon, Republic of Korea.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120906658DOI Listing

Comparison of methods between CT perfusion source images and CT angiography in collateral flow assessment.

Acta Radiol 2020 Mar 30:284185120911893. Epub 2020 Mar 30.

Department of Neurology and Institute of Neurology, Huashan Hospital, Fudan University, Shanghai, PR China.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120911893DOI Listing

Side of contrast injection and breast size correlate with motion artifacts grade and image quality on breast MRI.

Acta Radiol 2020 Mar 30:284185120912408. Epub 2020 Mar 30.

Radiology Unit, IRCCS Policlinico San Donato, San Donato Milanese, Italy.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120912408DOI Listing

Quantification of contrast-uptake as imaging biomarker for disease progression of renal cell carcinoma after tumor ablation.

Acta Radiol 2020 Mar 26:284185120909964. Epub 2020 Mar 26.

Yale School of Medicine, Department of Radiology and Biomedical Imaging, New Haven, CT, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120909964DOI Listing

The association between breast cancer risk factors and background parenchymal enhancement at dynamic contrast-enhanced breast MRI.

Acta Radiol 2020 Mar 26:284185120911583. Epub 2020 Mar 26.

Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120911583DOI Listing

Tattoo complications and magnetic resonance imaging: a comprehensive review of the literature.

Acta Radiol 2020 Mar 26:284185120910427. Epub 2020 Mar 26.

Department of Dermatology, the Tattoo Clinic, Bispebjerg University Hospital, Copenhagen, Denmark.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120910427DOI Listing

Visualizing the autonomic and somatic innervation of the female pelvis with 3D MR neurography: a feasibility study.

Acta Radiol 2020 Mar 25:284185120909337. Epub 2020 Mar 25.

The Institute of Cancer Research, Division of Radiotherapy and Imaging, Sutton, UK.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120909337DOI Listing

Stent performance in palliative transhepatic treatment of malignant biliary obstruction: a randomized study comparing covered versus uncovered stents.

Acta Radiol 2020 Mar 25:284185120911187. Epub 2020 Mar 25.

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

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120911187DOI Listing

Renal transplant biopsy complications: assessment of risk factors and potential of desmopressin to decrease risk of hemorrhage.

Acta Radiol 2020 Mar 25:284185120910590. Epub 2020 Mar 25.

Department of Public Health and Clinical Medicine, Umeå University, Sweden.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1177/0284185120910590DOI Listing