27,551 results match your criteria Digital Photography


Inhibition of Ovarian Cancer Cell Spheroid Formation by Synthetic Peptides Derived from Nectin-4.

Int J Mol Sci 2020 Jun 30;21(13). Epub 2020 Jun 30.

Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA.

The formation of 3D multicellular spheroids in the ascites fluid of ovarian cancer patients is an understudied component of the disease progression. Spheroids are less sensitive to chemotherapy, in part due to the protection afforded by their structure, but also due to their slower proliferation rate. Previous studies suggest that the cell adhesion molecule Nectin-4 plays a key role in the formation of ovarian cancer spheroids. Read More

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http://dx.doi.org/10.3390/ijms21134637DOI Listing

PhenoCams for Field Phenotyping: Using Very High Temporal Resolution Digital Repeated Photography to Investigate Interactions of Growth, Phenology, and Harvest Traits.

Front Plant Sci 2020 18;11:593. Epub 2020 Jun 18.

Group of Crop Science, Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zurich, Switzerland.

Understanding the interaction of plant growth with environmental conditions is crucial to increase the resilience of current cropping systems to a changing climate. Here, we investigate PhenoCams as a high-throughput approach for field phenotyping experiments to assess growth dynamics of many different genotypes simultaneously in high temporal (daily) resolution. First, we develop a method that extracts a daily phenological signal that is normalized for the different viewing geometries of the pixels within the images. Read More

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http://dx.doi.org/10.3389/fpls.2020.00593DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7314959PMC

Comparison of two digital intraoral radiography imaging systems as a function of contrast resolution and exposure time.

Minerva Stomatol 2020 Jun;69(3):148-152

Unit of Dental Materials Unit, Center for Dental and Oral Medicine, Clinic for Fixed and Removable Prosthodontics and Dental Materials Science, Zürich, Switzerland.

Background: To compare the image quality of two different digital imaging systems; one photostimulable phosphor plate system (PSP) and a direct digital radiography system with CMOS imaging sensor; via evaluating contrast resolution among four different exposure times.

Methods: Endodontically treated incisor teeth embedded in paraffin blocks are aligned next to a 99.5% Al wedge and exposed for 0. Read More

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http://dx.doi.org/10.23736/S0026-4970.19.04286-9DOI Listing

Association Between Atherosclerosis and Diabetic Retinopathy in Chinese Patients with Type 2 Diabetes Mellitus.

Diabetes Metab Syndr Obes 2020 8;13:1911-1920. Epub 2020 Jun 8.

Department of Endocrinology and Metabolism, Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region, Chengdu, People's Republic of China.

Aim: To explore the association between the atherosclerosis and diabetic retinopathy (DR) in Chinese patients with type 2 diabetes mellitus (T2DM).

Methods: This hospital-based cross-sectional study included 949 patients (700 males and 249 females) with T2DM. The atherosclerotic parameters were assessed using the cardio-ankle vascular index (CAVI), ankle-brachial index (ABI), and carotid plaque. Read More

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http://dx.doi.org/10.2147/DMSO.S246497DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7292250PMC

Tele-Neuro-Ophthalmology: Vision for 20/20 and Beyond.

J Neuroophthalmol 2020 Jun 26. Epub 2020 Jun 26.

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

Background: Telehealth provides health care to a patient from a provider at a distant location. Prior to the COVID-19 pandemic adoption of telehealth modalities was increasing slowly but steadily. During the public health emergency rapid widespread telehealth implementation has been encouraged to promote patient and provider safety and preserve access to health care. Read More

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http://dx.doi.org/10.1097/WNO.0000000000001038DOI Listing

The importance of total-body photography and sequential digital dermatoscopy for monitoring patients at increased melanoma risk.

J Dtsch Dermatol Ges 2020 Jun 29. Epub 2020 Jun 29.

Department of Dermatology, Medical University of Graz, Graz, Austria.

Background And Objectives: The incidence of melanoma is rising and prevention plays an important role. Multiple nevi as well as a medical history of melanoma are important risk factors. In affected patients, a two-step algorithm consisting of total-body photography (TBP) and sequential digital dermatoscopy (SDD) is a helpful diagnostic tool. Read More

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http://dx.doi.org/10.1111/ddg.14158DOI Listing

Effect of color information on the diagnostic performance of glaucoma in deep learning using few fundus images.

Int Ophthalmol 2020 Jun 27. Epub 2020 Jun 27.

Inoue Eye Hospital, Chiyoda, Tokyo, Japan.

Purpose: The purpose of this study was to evaluate the accuracy of the convolutional neural network (CNN) model in glaucoma identification with three primary colors (red, green, blue; RGB) and split color channels using fundus photographs with a small sample size.

Methods: The dataset was prepared using color fundus photographs captured with a fundus camera (VX-10i, Kowa Co., Ltd. Read More

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http://dx.doi.org/10.1007/s10792-020-01485-3DOI Listing

Bilateral pediatric pial arteriovenous fistulas accompanying a giant arachnoid cyst with torticollis: A case report.

Medicine (Baltimore) 2020 Jun;99(26):e20991

Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China.

Rationale: Pial arteriovenous fistula (PAVF) occurs when intracranial arteries communicate directly with veins. PAVFs are very rare congenital vascular lesions that are commonly seen in infants and children. Arachnoid cysts are congenital cavitation often filled with cerebrospinal fluid. Read More

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http://dx.doi.org/10.1097/MD.0000000000020991DOI Listing
June 2020
5.723 Impact Factor

Circumscribed choroidal haemangioma: Indocyanine green angiography features on scanning laser ophthalmoscopy versus traditional digital fundus photography.

Eye (Lond) 2020 Jun 25. Epub 2020 Jun 25.

Ocular Oncology Service, Moorfields Eye Hospital, London, UK.

Background And Objective: Circumscribed choroidal haemangioma (CCH) has several characteristic clinical and angiographic features. We aimed to compare indocyanine green angiography (ICG) findings of CCH captured on a traditional digital camera system (DCS) to newer scanning laser ophthalmoscopy (SLO) platforms.

Study Design/materials And Methods: A total of 35 patients over a 10-year period diagnosed with CCH using ICG were included (18 imaged with DCS and 17 with SLO). Read More

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http://dx.doi.org/10.1038/s41433-020-1044-4DOI Listing
June 2020
1.897 Impact Factor

Age estimation in Brazilian adults by Kvaal's and Cameriere's methods.

Braz Oral Res 2020 5;34:e051. Epub 2020 Jun 5.

Universidade de São Paulo - USP, School of Dentistry, Community Dentistry Department, São Paulo, SP, Brazil.

The aim of this study was to verify the precision and applicability of two methods of age estimation, Kvaal's and Cameriere's methods, among Brazilian adults. A sample composed of periapical radiographs of canine teeth belonging to 320 Brazilian adults was analyzed, divided into groups according to sex (male and female) and age group (20-29 years, 30-39 years, 40-49 years and 50-59 years). Kvaal's method presented better results when compared to the results of Cameriere's method in the general evaluation of each canine tooth, except for the upper left canine (tooth 23), which presented a mean error (ME) with no statistically significant difference between the methods (Kvaal: ME = 7. Read More

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http://dx.doi.org/10.1590/1807-3107bor-2020.vol34.0051DOI Listing

Air temperature is the main driving factor of radiation use efficiency and carbon storage of mature Norway spruce stands under global climate change.

Int J Biometeorol 2020 Jun 19. Epub 2020 Jun 19.

The Department of Silviculture, The Forestry and Game Management Research Institute, Na Olivě 550, 517 73, Opočno, Czech Republic.

Plant growth is affected by light availability, light capture, and the efficiency of light energy utilisation within the photosynthetic uptake processes. The radiation use efficiency (RUE) of four even-aged, fully stocked mature Norway spruce stands along a temperature, precipitation, and altitudinal gradient of the Czech Republic was investigated. A new straightforward, methodological approach involving an analysis of digital hemispherical photographs for RUE estimation was applied. Read More

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http://dx.doi.org/10.1007/s00484-020-01941-wDOI Listing

The role of technology in melanoma screening and diagnosis.

Pigment Cell Melanoma Res 2020 Jun 18. Epub 2020 Jun 18.

Department of Dermatology, University of California, San Francisco, CA, USA.

Melanoma presents challenges for timely and accurate diagnosis. Expert panels have issued risk-based screening guidelines, with recommended screening by visual inspection. To assess how recent technology can impact the risk/benefit considerations for melanoma screening, we comprehensively reviewed noninvasive visual-based technologies. Read More

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http://dx.doi.org/10.1111/pcmr.12907DOI Listing

Head and neck skin expansion: assessment of efficiency for the treatment of lesions in the lower half of the face.

Ann Burns Fire Disasters 2020 Mar;33(1):38-46

Saint-Louis Hospital, Paris, France.

The treatment of sequelae for burns or other loss of perioral tissues is complex due to the site where they occur, its functional importance, and social and esthetic aspects. Functional consequences of burns to this area are cutaneous retraction and a lack of skin that can lead to an inability to close the oral aperture, compromising the provision of dental hygiene and intubation procedures. The aim of the present publication was to evaluate the efficacy of chin, labial and jugal cutaneous expansions for the treatment of perioral lesions and lesions of the lower half of the face in our retrospective series of patients. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7263714PMC

Comparative Analysis and Long-Term Results of Various Septal Extension Graft Types.

Facial Plast Surg 2020 Jun 8;36(3):263-267. Epub 2020 Jun 8.

Department of Facial Plastic Surgery, Marienhospital Stuttgart, Stuttgart, Germany.

Shape, tip projection, and position can be controlled by the use of septal extension grafts (SEG). A retrospective cohort study of patients undergoing primary and secondary rhinoplasty was reviewed. The purpose of this study was to analyze maintenance of nasal length, dorsal length, and nasolabial angle postoperatively comparing different types of SEG using standardized photography and digital measurement. Read More

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http://dx.doi.org/10.1055/s-0040-1712468DOI Listing

Use of imaging techniques for melanocytic naevi and basal cell carcinoma in integrative analysis (Review).

Exp Ther Med 2020 Jul 20;20(1):78-86. Epub 2020 Mar 20.

Department of Dermatology, 'Grigore T. Popa' University of Medicine and Pharmacy, Faculty of Medicine, 700115 Iasi, Romania.

Early detection of skin cancer is essential in order to obtain an improved prognosis. Clinicians need more objective and non-invasive examination methods to support their decision whether to biopsy or not tumoral lesions. These may include several imaging techniques such as dermoscopy, videodermoscopy, also known as sequential digital dermoscopy (SDD), computer-aided diagnosis (CAD), total body photography, imaging and high-frequency ultrasonography (HFUS), reflectance confocal microscopy, multiphoton tomography, electrical impedance spectroscopy, Raman spectroscopy, stepwise two-photon-laser spectroscopy and quantitative dynamic infrared. Read More

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http://dx.doi.org/10.3892/etm.2020.8620DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7271701PMC

Comparing Diet Quality of School Meals versus Food Brought from Home.

Can J Diet Pract Res 2020 06 4:1-7. Epub 2020 Jun 4.

College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK.

Consuming nutritious food is essential to learning. The purpose of this research was to determine the diet quality of elementary school lunches, both those in meal programs and those bringing food from home, in urban and rural locations in Saskatchewan. Using a School Food Checklist and digital photography we compared food group servings and diet quality in 3 school types: urban schools with a meal program and urban and rural schools without a meal program. Read More

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http://dx.doi.org/10.3148/cjdpr-2020-013DOI Listing

Risk factors for adverse clinical outcomes with COVID-19 in China: a multicenter, retrospective, observational study.

Theranostics 2020 15;10(14):6372-6383. Epub 2020 May 15.

Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210002, China.

The risk factors for adverse events of Coronavirus Disease-19 (COVID-19) have not been well described. We aimed to explore the predictive value of clinical, laboratory and CT imaging characteristics on admission for short-term outcomes of COVID-19 patients. This multicenter, retrospective, observation study enrolled 703 laboratory-confirmed COVID-19 patients admitted to 16 tertiary hospitals from 8 provinces in China between January 10, 2020 and March 13, 2020. Read More

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http://dx.doi.org/10.7150/thno.46833DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7255028PMC
June 2020
7.827 Impact Factor

Diagnosis and treatment of pure arterial malformation: Three case reports and literature review.

Medicine (Baltimore) 2020 May;99(21):e20229

Department of Neurosurgery, the First Hospital of Jilin University, Changchun, China.

Rationale: The incidence of pure arterial malformations is relatively low, and few cases have been reported. Only 2 cases with pure arterial malformation have been reported to receive surgery or endovascular treatment.

Patient Concerns: We report 3 cases and review the relevant literatures. Read More

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http://dx.doi.org/10.1097/MD.0000000000020229DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7249948PMC

Three-dimensional digital image construction of metaxylem vessels in root tips of  subsp. from thin transverse sections.

Appl Plant Sci 2020 May 26;8(5):e11347. Epub 2020 May 26.

Department of Biology Miami University 1601 University Boulevard Hamilton Ohio 45011 USA.

Premise: Young plant roots share a common architecture: a central vascular cylinder surrounded by enveloping cylinders of ground and dermal tissue produced by an apical promeristem. Roots with closed apical organization can be studied to explore how ontogeny is managed. The analysis of transverse and longitudinal sections has been the most useful approach for this, but suffers from limitations. Read More

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http://dx.doi.org/10.1002/aps3.11347DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7249274PMC

Combined microwaves and fractional microablative CO2 laser treatment for postpartum abdominal laxity.

J Cosmet Dermatol 2020 May 28. Epub 2020 May 28.

Laser Cutaneous Cosmetic & Plastic Surgery Unit, Villa Donatello Clinic, Florence, Italy.

Background: Postpartum abdominal changes represent a major esthetic concern affecting women. As the abdomen stretches during pregnancy and some of the muscles lose tone, there is an increased skin laxity and a loss of abdominal elasticity. As a result, the abdomen becomes saggy. Read More

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http://dx.doi.org/10.1111/jocd.13510DOI Listing

A comparison of manually populated radiology information system digital radiographic data with electronic dose management systems.

Br J Radiol 2020 Jul 2;93(1111):20200055. Epub 2020 Jun 2.

Medical Physics and Clinical Engineering, Nottingham University Hospitals, Nottingham, NG5 1PB, United Kingdom.

Objective: To assess the accuracy and agreement of radiology information system (RIS) kerma-area product (KAP) data with respect to automatically populated dose management system (DMS) data for digital radiography (DR).

Methods: All adult radiographic examinations over 12 months were exported from the RIS and DMS at three centres. Examinations were matched by unique identifier fields, and grouped by examination type. Read More

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http://dx.doi.org/10.1259/bjr.20200055DOI Listing

Complete wound closure following a single topical application of a novel autologous homologous skin construct: first evaluation in an open-label, single-arm feasibility study in diabetic foot ulcers.

Int Wound J 2020 May 26. Epub 2020 May 26.

The Angiogenesis Foundation, Cambridge, Massachusetts, USA.

Diabetic foot ulcers (DFUs) are a growing burden on patients and health care systems that often require multiple treatments of both conventional and advanced modalities to achieve complete wound closure. A novel autologous homologous skin construct (AHSC) has been developed to treat cutaneous defects with a single topical application, by leveraging the endogenous repair capabilities of the patient's healthy skin. The AHSC's ability to close DFUs with a single treatment was evaluated in an open-label, single-arm feasibility study. Read More

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http://dx.doi.org/10.1111/iwj.13404DOI Listing

Eye Care Utilization in A Community-oriented Mobile Screening Programme for Improving Eye Health in Iran: A Cluster Randomized Trial.

Ophthalmic Epidemiol 2020 May 24:1-12. Epub 2020 May 24.

Centre for Global Health, Department of Public Health, Aarhus University , Aarhus, Denmark.

Purpose: To evaluate the effect of a mobile-based screening programme on eye care utilization in Iran.

Method: In this cluster randomized community trial, a representative sample of residents aged≥50 years from urban and rural areas in four districts in Tehran province were enrolled. The clusters were randomly assigned to one of the three parallel arms; the mHealth arm with digital data collection, vision screening test and retina evaluation using an integrated mobile application, the conventional arm with manual data collection and screening tests using Snellen chart and Fundus photography at the local primary healthcare facility, and the control arm with manual data collection without screening tests. Read More

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http://dx.doi.org/10.1080/09286586.2020.1768552DOI Listing

Subconjunctival Aflibercept for the Treatment of Formed Corneal Neovascularization.

Eye Contact Lens 2020 May 14. Epub 2020 May 14.

Department of Ophthalmology (R.S., M.B.I., E.L., Y.N., I.B.), Rabin Medical Center, Petach Tikva, Israel; and Sackler Faculty of Medicine (R.S., E.L., Y.N., I.B.), Tel Aviv University, Tel Aviv, Israel.

Purpose: To evaluate the effect of a single subconjunctival aflibercept injection on formed corneal neovascularization.

Methods: A prospective clinical trial, conducted at a single tertiary medical center. Included were consecutive patients with corneal pathologies complicated by corneal neovascularization, who were candidates for anti-vascular endothelial growth factor treatment at the discretion of a cornea specialist. Read More

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http://dx.doi.org/10.1097/ICL.0000000000000709DOI Listing

Assessment of validity and reliability of Kvaal's method for age estimation among a population sample - A retrospective study.

Indian J Dent Res 2020 Mar-Apr;31(2):186-190

Department of Oral Pathology and Microbiology, Institute of Dental Sciences, Bhubaneswar, Odisha, India.

Objectives: The present research was carried out with an aim to estimate and correlate chronological age and estimated age by Kvaal's Method in North Indian population using digital panoramic radiography. Further, the study was an attempt to evaluate the reliability of Kvaal's method for age estimation and to arrive at a population-specific regression equation.

Materials And Method: One hundred digital orthopantomograms of participants aged between 20 and 70 years of age were selected. Read More

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http://dx.doi.org/10.4103/ijdr.IJDR_209_18DOI Listing

Estimation of maize plant height and leaf area index dynamic using unmanned aerial vehicle with oblique and nadir photography.

Ann Bot 2020 May 20. Epub 2020 May 20.

Key Laboratory of Arable Land Conservation (North China), Ministry of Agriculture, College of Resources and Environmental Sciences, China Agricultural University, Beijing, China.

Background And Aims: High throughput phenotyping is a limitation in plant genetics and breeding due to large-scale experiments in the field. Unmanned aerial vehicles (UAVs) can help to extract plant phenotypic traits rapidly and non-destructively with high efficiency. The general aim of this study is to estimate the dynamic plant height and leaf area index (LAI) by nadir and oblique photography with UAV, and to compare the integrity of the established three-dimensional (3D) canopy by these two methods. Read More

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http://dx.doi.org/10.1093/aob/mcaa097DOI Listing

Dermoscopy as a useful tool for evaluating melasma and assessing the response to 1064-nm Q-switched Nd:YAG laser.

Dermatol Ther 2020 May 20:e13629. Epub 2020 May 20.

Dermatology Department, Faculty of Medicine, Cairo University, Cairo, Egypt.

Melasma is a hard-to-manage disorder with considerable relapsing behavior. Dermoscopy emerged to help in comprehensive evaluation of pigmentary disorders and melasma. The aim of the study was to evaluate the potential role of dermoscopy in assessing melasma and monitoring the efficacy of 1064-nm low-fluence Q-switched neodymium:yttrium-aluminum-garnet (QS Nd:YAG) laser. Read More

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http://dx.doi.org/10.1111/dth.13629DOI Listing
May 2020
1.478 Impact Factor

Mobile dental photography: a simple technique for documentation and communication.

Quintessence Int 2020 ;51(6):510-518

Digital photography has already established its irrefutable importance in today's world. It is becoming an indispensable tool in various fields. In dentistry specifically, photography can be employed in several ways that can be beneficial to the patient and the dental community. Read More

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http://dx.doi.org/10.3290/j.qi.a44365DOI Listing

Remote monitoring of clubfoot treatment with digital photographs in low resource settings: Is it accurate?

PLoS One 2020 15;15(5):e0232878. Epub 2020 May 15.

Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, United Kingdom.

Background: Clinical examination and functional assessment are often the first steps to assess outcome of clubfoot treatment. Clinical photographs may be an adjunct used to assess treatment outcomes in lower resourced settings where physical review by a specialist is limited. We aimed to evaluate the diagnostic performance of photographic images of patients with clubfoot in assessing outcome following treatment. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0232878PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7228114PMC

Technical note: A rapid, non-invasive method for measuring live or preserved insect specimens using digital image analysis.

Forensic Sci Int 2019 19;1:140-145. Epub 2019 Jul 19.

Environmental and Life Sciences Graduate Program, Trent University, Peterborough, Ontario, Canada.

The measurement of insects is an important component of many entomological applications, including forensic evidence, where larvae size is used as a proxy for developmental stage, and hence time since colonization/death. Current methods for measuring insects are confounded by varying preservation techniques, biased and non-standardized measurements, and often a lack of sample size given practical constraints. Towards enhanced accuracy and precision in measuring live insects to help avoid these variables, and that allows for different measurements to be analyzed, we developed a non-invasive, digital method using widely available free analytical software to measure live blow fly larvae. Read More

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http://dx.doi.org/10.1016/j.fsisyn.2019.07.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7219176PMC

Acceleration of autofocusing with improved edge extraction using structure tensor and Schatten norm.

Opt Express 2020 May;28(10):14712-14728

Determining the optimal focal plane amongst a stack of blurred images in a short response time is a non-trivial task in optical imaging like microscopy and photography. An autofocusing algorithm, or in other words, a focus metric, is key to effectively dealing with such problem. In previous work, we proposed a structure tensor-based autofocusing algorithm for coherent imaging, i. Read More

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http://dx.doi.org/10.1364/OE.392544DOI Listing

Patients' Experiences and Attitudes of Using a Secure Mobile Phone App for Medical Photography: Qualitative Survey Study.

J Med Internet Res 2020 May 12;22(5):e14412. Epub 2020 May 12.

Department of Emergency Medicine, Mayo Clinic, Rochester, MN, United States.

Background: Point-of-care clinical photography using mobile devices is coming of age as a new standard of care for clinical documentation. High-quality cameras in modern smartphones facilitate faithful reproduction of clinical findings in photographs; however, clinical photographs captured on mobile devices are often taken using the native camera app on the device and transmitted using relatively insecure methods (eg, SMS text message and email) that do not preserve images as part of the electronic medical records. Native camera apps lack robust security features and direct integration with electronic health records (EHRs), which may limit patient acceptability and usefulness to clinicians. Read More

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http://dx.doi.org/10.2196/14412DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7251478PMC

[Efficacy of three-dimensional visualization technology in the precision diagnosis and treatment for primary liver cancer: a retrospective multicenter study of 1 665 cases in China].

Zhonghua Wai Ke Za Zhi 2020 May;58(5):375-382

First Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangdong Provincial Clinical and Engineering Center of Digital Medicine, Guangzhou 510282, China.

To evaluate the efficacy of three-dimensional(3D) visualization technology in the precision diagnosis and treatment for primary liver cancer. A total of 1 665 patients with primary liver cancer who admitted to seven medical centers in China between January 2009 to January 2019, diagnosed and treated by 3D visualization protocol were analyzed, and their clinical data were retrospectively reviewed. There were 1 255 males(75. Read More

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http://dx.doi.org/10.3760/cma.j.cn112139-20200220-00105DOI Listing

Anterior communicating artery complex fenestration combined with tandem aneurysm: a case report and literature review.

Medicine (Baltimore) 2020 May;99(19):e20013

Department of Neurosurgery, Fuzong Clinical Medical College of Fujian Medical University, 900th Hospital.

Introduction: Clinically, anterior communicating artery complex fenestration combined with fenestration-related aneurysms is rare, and combination of this condition with tandem aneurysms is even rarer.

Patient Concerns: A case of a 43-year-old man with spontaneous subarachnoid hemorrhage.

Diagnosis: A computed tomography angiography examination revealed a fenestrated anterior communicating artery complex combined with 2 aneurysms. Read More

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http://dx.doi.org/10.1097/MD.0000000000020013DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7220171PMC

Reliability of hip range of motion measurement among experienced arthroscopic hip preservation surgeons.

J Hip Preserv Surg 2020 Jan 12;7(1):77-84. Epub 2019 Dec 12.

Peachtree Orthopedics, 11800 Amber Park Drive Parkway, 400 Building One Suite 200, Alpharetta, GA 30009, USA.

The aim of this study was to determine (i) the reliability of hip range of motion measurement among experienced arthroscopic hip preservation surgeons and (ii) the magnitude of hip flexion change with posterior pelvic tilt. Five experienced arthroscopic hip preservation surgeons (5-18 years of hip surgery experience) performed passive hip range of motion (internal and external rotation), flexion (contralateral hip extended) and flexion with posterior pelvic tilt (contralateral hip maximally flexed) on five young healthy asymptomatic volunteers (three males, two females; 34.4 ± 10. Read More

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http://dx.doi.org/10.1093/jhps/hnz062DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7195937PMC
January 2020

Females with Type 2 Diabetes Mellitus Are Prone to Diabetic Retinopathy: A Twelve-Province Cross-Sectional Study in China.

J Diabetes Res 2020 21;2020:5814296. Epub 2020 Apr 21.

Department of Endocrinology & Metabolism, Guangdong Provincial Key Laboratory of Diabetology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China.

Aims: To investigate the distribution of diabetic retinopathy (DR) by sex in patients with type 2 diabetes mellitus (T2DM) in a twelve-province cross-sectional study in China.

Methods: Patients with T2DM, whose ages were ≥18 years, were recruited from 76 cities/counties in 12 provinces in mainland China between January 2015 and December 2018. All participants received a standardized interview, eye examinations, and digital fundus photography. Read More

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http://dx.doi.org/10.1155/2020/5814296DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7191394PMC

Radiation dose reduction using novel size 1 and size 0 rectangular collimators in pediatric dental imaging.

Quintessence Int 2020 ;51(6):502-509

Objectives: Commercial intraoral rectangular collimators are available for collimating to size 2 image receptor. The benefits of reducing the x-ray beam to match the area of the image detector in adult intraoral radiography are endorsed internationally. However, in pediatric dentistry the image receptor can be further decreased to size 1 and 0. Read More

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http://dx.doi.org/10.3290/j.qi.a44495DOI Listing

High Spatial Resolution Digital Positron Emission Tomography Images With Dedicated Source-to-background Algorithm for Radiotherapy Planning.

Anticancer Res 2020 May;40(5):2567-2572

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

Background/aim: To evaluate the utility of high spatial resolution digital positron emission tomography images with the source-to-background ratio (SBR) algorithm for gross tumour volume (GTV) delineation.

Materials And Methods: The bowl and spheres (10-37 mm) were filled with fluoro-2-deoxy-D-glucose to achieve 4-16 times background radioactivity. The images were reconstructed using three isotropic voxel sizes. Read More

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http://dx.doi.org/10.21873/anticanres.14227DOI Listing

Paper wasps are darker at high elevation.

J Therm Biol 2020 Apr 16;89:102535. Epub 2020 Feb 16.

Universidad Nacional de Colombia, Instituto de Ciencias Naturales, Cr 30 No. 45 03 edif 425, of. 303, Bogotá, Colombia. Electronic address:

High mountains are harsh environments in which colder temperatures and higher levels of UV-B radiation are common. These abiotic conditions strongly affect animals' biology, often constraining their survival and reproduction. As a result, adaptations to live in such habitats are expected to evolve. Read More

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http://dx.doi.org/10.1016/j.jtherbio.2020.102535DOI Listing

Using photography to explore people with diabetes' perspectives on food environments in urban and rural South Africa.

Health Promot Int 2020 May 3. Epub 2020 May 3.

School of Public Health, University of the Western Cape, Robert Sobukwe Rd, Bellville, Cape Town 7535, South Africa.

Diabetes, a serious disease resulting in significant morbidity and early mortality, is currently on the rise globally. A major contributor to this observed increase in low- and middle-income countries, such as South Africa, has been the observed change in diet at the population level-a shift from a traditional diet, to one consisting of more energy-dense, processed foods, with more added sugar, salt and fat. Implicated in this degradation of diet are changing local food environments. Read More

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http://dx.doi.org/10.1093/heapro/daaa035DOI Listing

Digital medical photography recording: a personal view.

Authors:
Nigel Masters

Br J Gen Pract 2020 May 30;70(694):244. Epub 2020 Apr 30.

Highfield Surgery, Highfield Way, Hazelmere, High Wycombe. Email:

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http://dx.doi.org/10.3399/bjgp20X709673DOI Listing

Artificial Intelligence in Ophthalmology: Evolutions in Asia.

Asia Pac J Ophthalmol (Phila) 2020 Mar-Apr;9(2):78-84

Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea.

Artificial intelligence (AI) has been studied in ophthalmology since availability of digital information in ophthalmic care. The significant turning point was availability of commercial digital color fundus photography in the late 1990s, which caused digital screening for diabetic retinopathy (DR) to take off. Automated Retinal Disease Assessment software was then developed using machine learning to detect abnormal lesions in fundus to screen DR. Read More

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http://dx.doi.org/10.1097/01.APO.0000656980.41190.bfDOI Listing

A Human-Derived, Collagen-Rich Hydrogel Augments Wound Healing in a Diabetic Animal Model.

Ann Plast Surg 2020 Apr 27. Epub 2020 Apr 27.

From the Division of Plastic and Reconstructive Surgery, School of Medicine, Stanford University, Stanford.

Background: Application of collagen products to wounds has been shown to improve wound healing. Using a collagen-based hydrogel (cHG) capable of cellular support previously developed by our laboratory, we hypothesize that our hydrogel will increase the speed of wound healing by providing a 3-dimensional framework for cellular support, increasing angiogenesis and cell-proliferation at the wound bed.

Methods: Two, 10-mm excisional wounds were created over the dorsum of 12 male, genetically modified Zucker diabetic rats. Read More

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http://dx.doi.org/10.1097/SAP.0000000000002380DOI Listing
April 2020
1.458 Impact Factor

Technological advances for the detection of melanoma: Part I. Advances in diagnostic techniques.

J Am Acad Dermatol 2020 Apr 26. Epub 2020 Apr 26.

The Ronald O. Perelman Department of Dermatology, New York University School of Medicine, New York, New York 10016. Electronic address:

Managing the balance between accurately identifying early-stage melanomas while avoiding biopsies of benign lesions (i.e. over-biopsy) is the major challenge of melanoma detection. Read More

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http://dx.doi.org/10.1016/j.jaad.2020.03.121DOI Listing

Nutrients and water availability constrain the seasonality of vegetation activity in a Mediterranean ecosystem.

Glob Chang Biol 2020 Apr 29. Epub 2020 Apr 29.

Department for Biogeochemical Integration, Max-Planck-Institute for Biogeochemistry, Jena, Germany.

Anthropogenic nitrogen (N) deposition and resulting differences in ecosystem N and phosphorus (P) ratios are expected to impact photosynthetic capacity, that is, maximum gross primary productivity (GPP ). However, the interplay between N and P availability with other critical resources on seasonal dynamics of ecosystem productivity remains largely unknown. In a Mediterranean tree-grass ecosystem, we established three landscape-level (24 ha) nutrient addition treatments: N addition (NT), N and P addition (NPT), and a control site (CT). Read More

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http://dx.doi.org/10.1111/gcb.15138DOI Listing

Use of Smartphones to Detect Diabetic Retinopathy: Scoping Review and Meta-Analysis of Diagnostic Test Accuracy Studies.

J Med Internet Res 2020 May 15;22(5):e16658. Epub 2020 May 15.

Family Medicine and Primary Care, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.

Background: Diabetic retinopathy (DR), a common complication of diabetes mellitus, is the leading cause of impaired vision in adults worldwide. Smartphone ophthalmoscopy involves using a smartphone camera for digital retinal imaging. Utilizing smartphones to detect DR is potentially more affordable, accessible, and easier to use than conventional methods. Read More

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http://dx.doi.org/10.2196/16658DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7316182PMC
May 2020
3.428 Impact Factor

Sequential multiple retinal vein occlusions and transient ischemic attack in MTHFR polymorphism and protein S deficiency.

Mol Genet Genomic Med 2020 Jul 28;8(7):e1273. Epub 2020 Apr 28.

Department of Ophthalmology, Columbia University, New York, NY, USA.

Background: The C677T variant of the MTHFR (5,10-Methylenetetrahydrofolate reductase) gene is associated with increased susceptibility to homocystinuria (OMIM#236250), neural tube defects (OMIM#601634), schizophrenia (OMIM#181500), thromboembolism (OMIM#188050), and vascular diseases. Protein S deficiency is also associated with an increased risk of thromboembolism from reduced thrombin generation. In this report, we describe the case of a patient who presented with multiple retinal vein occlusions likely caused by an underlying combination of a homozygous MTHFR C677T variant and protein S deficiency. Read More

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http://dx.doi.org/10.1002/mgg3.1273DOI Listing

The Hyperdense Middle Cerebral Artery Sign in Drip-and-Ship Models of Acute Stroke Management.

Cerebrovasc Dis Extra 2020 28;10(1):36-43. Epub 2020 Apr 28.

Department of Neurology, Erasme Hospital, ULB, Brussels, Belgium.

Background: Large vessel occlusion (LVO) leads to debilitating stroke and responds modestly to recombinant tissue plasminogen activator (rt-TPA). Early thrombectomy improves functional outcomes in selected patients with proximal occlusion but it is not available in all medical facilities. The best imaging modality for triage in an acute stroke setting in drip-and-ship models is still the subject of debate. Read More

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http://dx.doi.org/10.1159/000506971DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7289154PMC

[Effect of free medial plantar perforator flap in repairing deep burn wound on palm with the assistance of three dimensional computed tomography angiography].

Zhonghua Shao Shang Za Zhi 2020 Apr;36(4):323-326

Department of Burns and Plastic Surgery, Dezhou People's Hospital, Dezhou 253045, China.

To explore the effect of free medial plantar perforator flap in repairing deep burn wound on palm with assistance of three dimensional computed tomography angiography (CTA). From March 2015 to January 2018, 11 patients with deep burn wounds of palm were admitted to the Department of Burns and Plastic Surgery of Yidu Central Hospital of Weifang City, including 6 males and 5 females, aged 19-53 years. The wound area after debridement was 3. Read More

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http://dx.doi.org/10.3760/cma.j.cn501120-20190308-00091DOI Listing