Relation between hypertrophy of teres minor muscle and external rotation lag sign in patients with rotator cuff pathology

Conclusion: ERLS will be negative in patients with hypertrophy of TM in the setting of posterosuperior cuff tears. There is a strong correlation between cuff tears and hypertrophy of TM muscle, which helps in better prognosis and functional outcome of the patients treated with surgical intervention.
Source: Indian Journal of Orthopaedics - Category: Orthopaedics Authors: Source Type: research

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ConclusionsOur collective results demonstrate the potential benefits of PSF-EPI for concurrent TMS-fMRI when coil-related artifacts are a concern. The ability to collect high quality resting state fMRI data in the same session as the concurrent TMS-fMRI experiment offers a unique opportunity to interrogate network architecture in the human brain.
Source: Journal of Neuroscience Methods - Category: Neuroscience Source Type: research
Technical advances in imaging are well demonstrated by MRI (Magnetic Resonance Imaging) and PET (Positron Emission Tomography). Excellent anatomical detail and a lack of ionising radiation make MRI the standar...
Source: Cancer Imaging - Category: Radiology Authors: Tags: Review Source Type: research
AbstractBackgroundPET (positron emission tomography) biokinetic modelling relies on accurate quantitative data. One of the main corrections required in PET imaging to obtain high quantitative accuracy is tissue attenuation correction (AC). Incorrect non-uniform PET-AC may result in local bias in the emission images, and thus in relative activity distributions and time activity curves for different regions. MRI (magnetic resonance imaging)-based AC is an active area of research in PET/MRI neuroimaging, where several groups developed in the last few years different methods to calculate accurate attenuation ( μ-)maps. Some...
Source: EJNMMI Research - Category: Radiology Source Type: research
Meniscus allograft transplantation is a valuable surgical option for post-meniscectomy syndrome. For best results, the selected allograft should be as similar as possible to the original meniscus. Three-dimensional meniscus sizing could be a new approach to improve the accuracy of meniscus matching. The contralateral anatomy might therefore be a suitable reconstruction template. The purpose of this study was to compare the three-dimensional shape of the right and left menisci by bi-planar segmentation of magnetic resonance imaging (MRI) scans.
Source: The Knee - Category: Orthopaedics Authors: Source Type: research
Publication date: Available online 16 August 2019Source: Diagnostic and Interventional ImagingAuthor(s): S. Sun, P.A. Bonaffini, S. Nougaret, L. Fournier, A. Dohan, J. Chong, J. Smith, H. Addley, C. ReinholdAbstractUterine leiomyomas, the most frequent benign myomatous tumors of the uterus, often cannot be distinguished from malignant uterine leiomyosarcomas using clinical criteria. Furthermore, imaging differentiation between both entities is frequently challenging due to their potential overlapping features. Because a suspected leiomyoma is often managed conservatively or with minimally invasive treatments, the misdiagno...
Source: Diagnostic and Interventional Imaging - Category: Radiology Source Type: research
AbstractFat suppression is a technique used to suppress the signals from adipose tissues, during clinical evaluation of the tissues near the fat –tissue boundary. However, in cases where the scan area has a complicated shape, the effect of fat suppression may demonstrate poor uniformity, resulting in diagnosis-related difficulties. To improve the uniformity of fat suppression, phantom studies are more suitable than volunteer studies. In th is study, we evaluated the reliability of the region of interest (ROI) dependency using an unevenness phantom, to develop a method to assess the uniformity of fat suppression while...
Source: Radiological Physics and Technology - Category: Physics Source Type: research
Until the 1990s, Radiologists relied on radiographs and computed tomographic scans for imaging evaluation of osseous and soft tissue abnormalities of the musculoskeletal system. Many of us who trained in that era were taught about the subtle abnormalities on radiographs that could be quite meaningful for diagnosis of  pathologic conditions. Osseous fracture might signify other soft tissue injury associated with trauma, including anterior cruciate ligament tears with Segond fractures of the knee, and labral tears with Hill-Sachs impaction injury of the humeral head.
Source: Magnetic Resonance Imaging Clinics of North America - Category: Radiology Authors: Tags: Foreword Source Type: research
Multiple Sclerosis (MS) can be prevented by undergoing routine magnetic resonance imaging (MRI) tests, according to researchers from the Institute of Neurology in London. MS progression is difficult to predict as the disease manifests itself differently in every patient. In their study recently published in  Brain, the researchers ventured out to define the predictors of long-term disability outcomes by using clinically isolated syndrome (CIS), a first episode of neurological symptoms that can evolve into MS, as a baseline. They used MRI exams after a CIS diagnosis to anticipate the future of a patient ’s h...
Source: radRounds - Category: Radiology Authors: Source Type: blogs
Researchers from the Massachusetts Institute of Technology (MIT) are developing a portable, helmet-shaped magnetic resonance imaging (MRI) device that could eliminate the challenges typically associated with large machines imaging bedridden patients. There are structural and financial burdens that come with using a large, stationary scanner. MIT ’s low-field small-scale MRI could make it easier for physicians to image certain populations and still produce accurate and effective outcomes. The group of researchers led by Harvard University radiology professor Lawrence Wald, PhD, started investigating ways to ...
Source: radRounds - Category: Radiology Authors: Source Type: blogs
Conclusions: Based on these findings and the literature it is recommended that syringoceles should be diagnosed by cystourethroscopy and urethrography. Patients with symptomatic syringoceles should be offered treatment. First line treatment is endoscopic marsupialization. PMID: 31411088 [PubMed - as supplied by publisher]
Source: Scandinavian Journal of Urology - Category: Urology & Nephrology Tags: Scand J Urol Source Type: research
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