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shoulder imaging

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https://www.readbyqxmd.com/read/28916952/air-electron-stream-interactions-during-magnetic-resonance-igrt-skin-irradiation-outside-the-treatment-field-during-accelerated-partial-breast-irradiation
#1
Jong Min Park, Kyung Hwan Shin, Jung-In Kim, So-Yeon Park, Seung Hyuck Jeon, Noorie Choi, Jin Ho Kim, Hong-Gyun Wu
PURPOSE: To investigate and to prevent irradiation outside the treatment field caused by an electron stream in the air generated by the magnetic field during magnetic resonance image-guided accelerated partial breast irradiation (APBI). MATERIALS AND METHODS: In all, 20 patients who received APBI with a magnetic resonance image-guided radiation therapy (MR-IGRT) system were prospectively studied. The prescription dose was 38.5 Gy in 10 fractions of 3.85 Gy and delivered with a tri-cobalt system (the ViewRay system)...
September 15, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28915847/absence-of-ultrasound-inflammation-in-patients-presenting-with-arthralgia-rules-out-the-development-of-arthritis
#2
Myrthe van der Ven, M van der Veer-Meerkerk, D F Ten Cate, N Rasappu, M R Kok, D Csakvari, J M W Hazes, A H Gerards, J J Luime
BACKGROUND: To decrease the burden of disease of rheumatoid arthritis (RA), patients at risk for RA need to be identified as early as possible, preferably when no clinically apparent synovitis can be detected. Up to now, it has been fairly difficult to identify those patients with arthralgia who develop inflammatory arthritis (IA), but recent studies using ultrasound (US) suggest that earlier detection is possible. We aimed to identify patients with arthralgia developing IA within 1 year using US to detect subclinical synovitis at first consultation...
September 15, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28913728/shoulder-strengthening-exercises-adapted-to-specific-shoulder-pathologies-can-be-selected-using-new-simulation-techniques-a-pilot-study
#3
Caecilia Charbonnier, Alexandre Lädermann, Bart Kevelham, Sylvain Chagué, Pierre Hoffmeyer, Nicolas Holzer
PURPOSE: Shoulder strength training exercises represent a major component of rehabilitation protocols designed for conservative or postsurgical management of shoulder pathologies. Numerous methods are described for exercising each shoulder muscle or muscle group. Limited information is available to assess potential deleterious effects of individual methods with respect to specific shoulder pathologies. Thus, the goal of this pilot study was to use a patient-specific 3D measurement technique coupling medical imaging and optical motion capture for evaluation of a set of shoulder strength training exercises regarding glenohumeral, labral and subacromial compression, as well as elongation of the rotator cuff muscles...
September 14, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28913569/antegrade-intramedullary-kirschner-wire-fixation-of-displaced-metacarpal-shaft-fractures
#4
E M van Bussel, R M Houwert, T J M Kootstra, M van Heijl, D Van der Velde, Ph Wittich, J Keizer
PURPOSE: The objective of this study was to analyze complications and patient-related functional outcome after antegrade intramedullary Kirschner-wire fixation of metacarpal shaft fractures. METHODS: All consecutive patients treated from January 2010 until December 2015 were retrospectively analyzed using patient logs and radiographic images. Indications for operative fixation were angulation > 40°, shortening > 2 mm, or rotational deficit. Complications were registered from the patient logs...
September 14, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28902753/nonoperative-management-and-novel-imaging-for-posterior-circumflex-humeral-artery-injury-in-volleyball
#5
Daan van de Pol, R Nils Planken, Aart Terpstra, Marja Pannekoek-Hekman, P Paul F M Kuijer, Mario Maas
We report on a 34-yr-old male elite volleyball player with symptomatic emboli in the spiking hand from a partially thrombosed aneurysm of the posterior circumflex humeral artery (PCHA) in his dominant shoulder. At initial diagnosis and follow-up, a combination of time-resolved and high-resolution steady state contrast-enhanced magnetic resonance angiography (CE-MRA) enabled detailed visualization of: (1) emboli that were not detectable by vascular ultrasound; and (2) the PCHA aneurysm, including compression during abduction and external rotation (ABER provocation)...
September 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28900523/sonography-in-diagnosis-of-adhesive-capsulitis-of-the-shoulder-a-case-control-study
#6
Anupama Tandon, Sakshi Dewan, Shuchi Bhatt, A K Jain, Rima Kumari
PURPOSE: Adhesive capsulitis (AC) of the shoulder has been a diagnosis of exclusion on sonography due to lack of specific diagnostic criteria. This study prospectively assesses the efficacy of sonography using multiple static and dynamic parameters for diagnosis of AC. MATERIALS AND METHODS: Shoulder sonography was performed independently by two musculoskeletal radiologists on 90 subjects (60 symptomatic and 30 controls). All symptomatic subjects were subjected to an MRI...
September 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28899384/systematic-review-of-quantitative-imaging-biomarkers-for-neck-and-shoulder-musculoskeletal-disorders
#7
Judith E Gold, David M Hallman, Fredrik Hellström, Martin Björklund, Albert G Crenshaw, Svend Erik Mathiassen, Mary F Barbe, Sayed Ali
BACKGROUND: This study systematically summarizes quantitative imaging biomarker research in non-traumatic neck and shoulder musculoskeletal disorders (MSDs). There were two research questions: 1) Are there quantitative imaging biomarkers associated with the presence of neck and shoulder MSDs?, 2) Are there quantitative imaging biomarkers associated with the severity of neck and shoulder MSDs? METHODS: PubMed and SCOPUS were used for the literature search. One hundred and twenty-five studies met primary inclusion criteria...
September 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28894758/the-latarjet-procedure-at-the-national-football-league-scouting-combine-an-imaging-and-performance-analysis
#8
George F LeBus, Jorge Chahla, George Sanchez, Ramesses Akamefula, Gilbert Moatshe, Alexandra Phocas, Mark D Price, James M Whalen, Robert F LaPrade, Matthew T Provencher
BACKGROUND: The Latarjet procedure is commonly performed in the setting of glenoid bone loss for treatment of recurrent anterior shoulder instability; however, little is known regarding the outcomes of this procedure in elite American football players. PURPOSE: (1) Determine the prevalence, clinical features, and imaging findings of elite college football athletes who present to the National Football League (NFL) Combine with a previous Latarjet procedure and (2) describe these athletes' performance in the NFL in terms of draft status and initial playing time...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28893545/neer-award-2017-wear-rates-of-32-mm-and-40-mm-glenospheres-in-a-reverse-total-shoulder-arthroplasty-wear-simulation-model
#9
John Haggart, Michael D Newton, Samantha Hartner, Anthony Ho, Kevin C Baker, Michael D Kurdziel, J Michael Wiater
BACKGROUND: Larger glenosphere diameters have been used recently to increase prosthesis stability and impingement-free range of motion in reverse total shoulder arthroplasty. The goal of this study was to evaluate the rate of polyethylene wear for 32-mm and 40-mm glenospheres. METHODS: Glenospheres (32 mm and 40 mm, n = 6/group) and conventional polyethylene humeral liners underwent a 5-million cycle (MC) wear simulation protocol. Abduction-adduction and flexion-extension motion profiles were alternated every 250,000 cycles...
September 8, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28890224/comparison-of-hip-muscle-volume-between-fit-and-fill-stem-and-tapered-wedge-stem-after-total-hip-arthroplasty-using-the-anterolateral-approach
#10
Dongmin Xu, Hiroshi Koyama, Hiroki Furuhashi, Shoichi Nishikino, Hironobu Hoshino, Yukihiro Matsuyama
BACKGROUND: In total hip arthroplasty (THA) surgery, hip muscle preservation is important in strengthening the stability of the hip and improving the activities of the patient. However, whether the type of femoral stem affects the recovery of the hip muscles remains unknown. The aim of this study was to compare the postoperative hip muscle recovery among femoral stem varieties after THA. METHODS: The computed tomography (CT) images of 44 patients (44 hips) who underwent THA using an anterolateral approach were reviewed...
September 7, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28889228/intraosseous-migration-of-tendinous-calcifications-two-case-reports
#11
A Marinetti, M Sessa, A Falzone, S W Della Sala
Calcific tendinopathy of the rotator cuff is a common cause of shoulder pain. Inflammation of the rotator cuff tendons may be complicated by adjacent bone erosion and subsequent migration of calcific deposits within the bone resulting in marrow inflammation. Bone marrow involvement is not readily visible using X-ray and ultrasound (US) and further testing is necessary. Magnetic resonance imaging (MRI) is a highly sensitive technique that can detect a focal bone T1 and T2-weighted hypointensity with bone marrow edema-like signal and cortical erosion...
September 9, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28886692/supernumerary-phantom-limb-in-a-patient-with-basal-ganglia-hemorrhage-a-case-report-and-review-of-the-literature
#12
Hang-Rai Kim, Jee-Young Han, Young Ho Park, Beom Joon Kim, Wookjin Yang, SangYun Kim
BACKGROUND: Supernumerary phantom limb (SPL) is a rare neurologic phenomenon, in which a patient misperceives an extra limb in addition to the original set of limbs. We report a case of SPL in a patient with a right basal ganglia hemorrhage and review the previous literature about this peculiar phenomenon. CASE PRESENTATION: Two days after the event of a right basal ganglia hemorrhage, a 78-year-old male reported a phantom arm protruding from his left shoulder. He could not see or touch the phantom arm but he felt the presence of an addition arm lateral to his paretic arm...
September 8, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28885287/whether-orthotic-management-and-exercise-are-equally-effective-to-the-patients-with-adolescent-idiopathic-scoliosis-in-mainland-china-a-randomized-controlled-trial-study
#13
Yu Zheng, Yini Dang, Yan Yang, Huabo Li, Lijie Zhang, Edmond H M Lou, Chengqi He, M S Wong
STUDY DESIGN: Prospective randomized controlled trial OBJECTIVE.: To investigate the effectiveness of orthotic management versus exercise on spinal curvature, body symmetry and quality of life. SUMMARY OF BACKGROUND DATA: A number of well-designed studies comparing conservative treatment of adolescent idiopathic scoliosis have been conducted and the evidence becomes stronger. However, there is a lack of the information on the effectiveness of orthotic management versus exercise...
September 6, 2017: Spine
https://www.readbyqxmd.com/read/28874727/effectiveness-of-glenohumeral-joint-dilatation-for-treatment-of-frozen-shoulder-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#14
Wei-Ting Wu, Ke-Vin Chang, Der-Sheng Han, Chung-Hsun Chang, Fu-Sui Yang, Chih-Peng Lin
The objective was to explore the effectiveness of glenohumeral joint distension for the treatment of frozen shoulder. We searched electronic data sources including PubMed, Scopus, and Embase from the earliest records available to February 2017. Eleven randomized controlled trials including at least one pair of comparisons between capsular distension and a reference treatment were included, comprising 747 participants. Patients' characteristics, details of reference treatments, aspects of capsular distension therapy, and outcome measurement were evaluated at three points in time: baseline, early following intervention, and at the trial's end...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28872528/quantitative-measurement-of-osseous-pathology-in-advanced-glenohumeral-osteoarthritis
#15
Joseph P Iannotti, Bong-Jae Jun, Thomas E Patterson, Eric T Ricchetti
BACKGROUND: Osteoarthritis of the glenohumeral joint has typical patterns of deformity as described by Walch et al. However, more severe glenoid pathology may be difficult to classify. The purpose of this study was to use 3-dimensional computed tomography (3-D CT) imaging analysis to define common pathologic subtypes that can be differentiated from the current Walch classification. METHODS: We performed quantitative measurements of premorbid and pathologic anatomy using preoperative 3-D CT scans from 155 cases of advanced glenohumeral osteoarthritis that underwent anatomic or reverse total shoulder arthroplasty...
September 6, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28872465/increased-reliability-of-quantitative-ultrasound-measures-of-the-supraspinatus-tendon-using-multiple-image-analysts-and-analysis-runs
#16
Elizabeth R Felix, Rachel E Cowan, Tyler S Clark, Diana D Cardenas, Robert W Irwin
Quantitative ultrasound (QUS) is an inexpensive and promising tool for sensitive measurement of tendon pathology. However, few studies have reported the psychometric properties of measurements obtained using this technique for assessments of the supraspinatus tendon. The present study was undertaken to determine the variance contributed by several sources of error (participant, ultrasound operator, image analyst, analysis session) to QUS measures of the supraspinatus tendon. Transverse images of the supraspinatus tendon were captured from eleven subjects (22 shoulders) by two ultrasonographers, and each image was analyzed by two image analysts who each completed two analysis runs...
September 1, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28869938/mineral-and-bone-disorder-in-chronic-kidney-disease-a-case-report-from-vietnam
#17
Pham Van Bui, Nguyyen Minh Tuan, Huynh Thi Nguyen Nghia, Pham Nguyen Thanh Phuong
We report a case of calcium pyrophosphate dihydrate deposition disease (CPDD) involving a patient on maintenance hemodialysis (MHD). The 32-year-old man presented in August 2016 with a complaint of left shoulder swelling of 8 months' duration with no trauma or fever. He was diagnosed with nephrotic syndrome in 1998, which progressed to ESRD. He commenced MHD in 2012. Examination at our hospital revealed a soft nontender swelling of the left shoulder. Blood biochemistry showed elevated serum urate, phosphate, β2 microglobulin, and parathyroid hormone...
2017: Blood Purification
https://www.readbyqxmd.com/read/28866339/arthroscopic-partial-repair-of-irreparable-rotator-cuff-tears-factors-related-to-greater-degree-of-clinical-improvement-at-2%C3%A2-years-of-follow-up
#18
Kun-Hui Chen, En-Rung Chiang, Hsin-Yi Wang, Hsiao-Li Ma
PURPOSE: This study aimed to evaluate the clinical outcomes of irreparable rotator cuff tears (RCT) treated with an arthroscopic partial repair, as well as the preoperative factors that may be related to greater improvement of clinical outcomes at short-term follow-up. METHODS: We retrospectively reviewed patients with irreparable RCT who underwent arthroscopic partial rotator cuff repair between January 2011 and April 2014. Minimal follow-up of 24 months was required...
August 30, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28861201/arthroscopic-evaluation-of-subluxation-of-the-long-head-of-the-biceps-tendon-and-its-relationship-with-subscapularis-tears
#19
Kyoung-Hwan Koh, Su Cheol Kim, Jae Chul Yoo
BACKGROUND: The purpose of this study was to evaluate the angle between the long head of the biceps tendon (LHBT) and the glenoid during arthroscopic surgery and its correlation with biceps subluxation on magnetic resonance imaging (MRI). Furthermore, we evaluated the relationship of this angle with subscapularis tears and biceps pathologies. METHODS: MRI and arthroscopic images of 270 consecutive patients who had undergone arthroscopic surgery were retrospectively evaluated...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28861126/soft-tissue-based-surgical-techniques-for-treatment-of-posterior-shoulder-instability
#20
REVIEW
Alessandro Castagna, Marco Conti, Raffaele Garofalo
Posterior shoulder instability is a rare clinical condition that encompasses different degrees of severity including various possible pathologies involving the labrum, capsule, bony lesions, and even locked posterior dislocation. When focusing on soft tissue involvement, the diagnosis of posterior instability may be difficult to make because frequently patients report vague symptoms not associated with a clear history of traumatic shoulder dislocation. Pathological soft tissue conditions associated with posterior instability in most cases are related to posterior labral tear and/or posterior capsular detensioning/tear...
2017: Obere Extremität
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