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soft tissue classification

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https://www.readbyqxmd.com/read/28219303/extra-articular-diffuse-type-tenosynovial-giant-cell-tumor-with-benign-histological-features-resulting-in-fatal-pulmonary-metastases
#1
Toshihisa Osanai, Hiroaki Suzuki, Hiroaki Hiraga, Tamotsu Soma, Takayuki Nojima
Diffuse-type tenosynovial giant cell tumor (TS-GCT) is categorized as a locally aggressive but non-metastasizing neoplasm according to the WHO classification. Herein, we report an extremely rare case of a 41-year-old woman who developed multiple metastases from diffuse TS-GCT with benign histological features. The patient complained of a painful buttock mass and imaging studies revealed a soft tissue tumor of the buttock and multiple pulmonary nodules. The buttock tumor was excised and the final diagnosis was extra-articular diffuse-type TS-GCT...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28180004/associations-of-sit-up-ability-with-sarcopenia-classification-measures-in-japanese-older-women
#2
REVIEW
Takashi Abe, Yu Yaginuma, Eiji Fujita, Robert S Thiebaud, Masashi Kawanishi, Takuya Akamine
To test the hypothesis that sit-up performance is associated with sarcopenia classification measures, 93 older women aged 53-78 years were divided into three groups based on achieved repetitions (30 s) for the sit-up performance test: Group 0 (G 0, n = 33) performed 0 repetitions, Group 1-9 (G 1-9, n = 30) performed between 1 and 9 repetitions, and Group 10+ (G 10+, n = 30) performed over 10 repetitions. Dual-energy X-ray absorptiometry-derived appendicular lean soft tissue mass (aLM), handgrip strength (HGS), usual walking speed, and chair stand were measured, and low muscle mass (aLM index) and poor physical function were defined according to previous studies...
December 2016: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28166167/stepwise-percutaneous-leverage-technique-to-avoid-posterior-interosseous-nerve-injury-in-pediatric-radial-neck-fracture
#3
Wan-Sun Choi, Kyeong-Jin Han, Doo-Hyung Lee, Ga-Eun Lee, Heon-Ju Kweon, Jae-Ho Cho
OBJECTIVES: To introduce a stepwise percutaneous leverage technique to avoid posterior interosseous nerve (PIN) injury in pediatric patients with radial neck fractures and to evaluate the clinical outcome and the predisposing factors affecting the outcome. DESIGN: Retrospective case series study. SETTING: University level 1 trauma center. PATIENTS: Thirty-four children with a radial neck fracture, who were treated using a stepwise percutaneous leverage technique, were included in the study...
January 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28156189/feline-glioma-a-retrospective-study-and-review-of-the-literature
#4
Daniel R Rissi, Andrew D Miller
Case series summary This study aimed to evaluate the pathologic and diagnostic features of 13 cases of feline glioma diagnosed at two veterinary diagnostic institutions over 16 years. A retrospective search was conducted using the laboratory information system. Selected cases were reviewed, tumors were classified according to the 2007 World Health Organization Classification of Tumours of the Central Nervous System, and tissue sections were submitted to an immunohistochemistry panel for further characterization...
February 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28144601/proximal-fifth-metatarsal-fractures-anatomy-classification-treatment-and-complications
#5
REVIEW
Chi Nok Cheung, Tun Hing Lui
CONTEXT: Fractures of proximal fifth metatarsal are one of the most common fractures of the foot. EVIDENCE ACQUISITION: A search of PubMed for studies on proximal fifth metatarsal fracture and Jones fracture focusing on the classification and management was performed. The reference list of the retrieved articles was searched for additional related studies. RESULTS: The vascular supply and soft tissue anatomy of the fifth metatarsal explains the increased risk of delayed union and non-union in fractures at the metaphyseal-diaphyseal junction...
December 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/28129268/allg%C3%A3-wer-donati-versus-vertical-mattress-suture-technique-impact-on-perfusion-in-ankle-fracture-surgery-a-randomized-clinical-trial-using-intraoperative-angiography
#6
Steven F Shannon, Matthew T Houdek, Cody C Wyles, Brandon J Yuan, William W Cross, Joseph R Cass, Stephen A Sems
OBJECTIVE: The purpose of this study was to evaluate which primary wound closure technique for ankle fractures affords the most robust perfusion as measured by laser-assisted indocyanine green angiography: Allgöwer-Donati or vertical mattress. DESIGN: Prospective, randomized. SETTING: Level 1 Academic Trauma Center. PATIENTS/PARTICIPANTS: Thirty patients undergoing open reduction internal fixation for ankle fractures were prospectively randomized to Allgöwer-Donati (n = 15) or vertical mattress (n = 15) closure...
February 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28115232/identification-of-serological-biomarker-profiles-associated-with-total-joint-replacement-in-osteoarthritis-patients
#7
R H G P Arends, M A Karsdal, K M Verburg, C R West, A C Bay-Jensen, D S Keller
OBJECTIVE: Establish a biomarker panel associated with all-cause total joint replacement (TJR) through identification of patients with osteoarthritis (OA) who do or do not progress to TJR and investigate effects of nonsteroidal anti-inflammatory drugs (NSAIDs). DESIGN: Serum samples from patients enrolled in phase III trials of tanezumab who experienced TJR (n = 174) or matched patients who did not (n = 321) were analyzed for bone, cartilage, soft tissue, and inflammation markers...
January 21, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28104640/arterial-spin-labeling-to-discriminate-pediatric-cervicofacial-soft-tissue-vascular-anomalies
#8
G Boulouis, V Dangouloff-Ros, O Boccara, N Garabedian, V Soupre, A Picard, V Couloigner, N Boddaert, O Naggara, F Brunelle
BACKGROUND AND PURPOSE: Differentiating major subtypes of cervicofacial vascular lesions is crucial for appropriate management. The aim of our study was to evaluate the performance of an MR imaging arterial spin-labeling perfusion sequence in discriminating pediatric cervicofacial soft-tissue vascular anomalies. MATERIALS AND METHODS: We conducted a retrospective analysis of data from a prospectively maintained registry including pediatric patients at a tertiary pediatric center between January 2012 and January 2014...
January 19, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28100234/arthroscopic-reduction-and-fixation-of-coronoid-fractures-with-an-exchange-rod-a-new-technique
#9
Kan Ouyang, Daping Wang, Wei Lu, Jianyi Xiong, Jian Xu, Liangquan Peng, Haifeng Liu, Hao Li, Wenzhe Feng
BACKGROUND: The ulnar coronoid process plays a central role in maintaining elbow stability. Some of its fractures were often combined with injury of bone and ligament. Arthroscopy enables perfect visualization to allow anatomical repair. METHODS: From January 2012 to December 2013, six patients (four males, two females) with a mean age of 26.6 years were treated. The left and right ulnas were involved in two and four patients, respectively. All patients suffered from ipsilateral subluxation of the elbow without associated radial fracture...
January 18, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28098705/heterotopic-ossification-in-acetabular-fracture-surgery
#10
Reza Firoozabadi, Timothy Alton, Henry Claude Sagi
Heterotopic ossification (HO) is a common complication of the surgical treatment of acetabular fractures. HO is the formation of trabecular bone in soft tissues where bone does not usually occur. Over the last decade, many risk factors have been identified for HO after surgical fixation of acetabular fractures; however, prophylaxis and treatment of this condition are controversial. Potential preventive measures range from NSAIDs to external beam irradiation, but recent studies have questioned the utility of these measures...
February 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28096721/current-concepts-in-non-gastrointestinal-stromal-tumor-soft-tissue-sarcomas-a-primer-for-radiologists
#11
REVIEW
Akshay D Baheti, Jyothi P Jagannathan, Ailbhe O'Neill, Harika Tirumani, Sree Harsha Tirumani
Non-gastrointestinal stromal tumor (GIST) soft tissue sarcomas (STSs) are a heterogeneous group of neoplasms whose classification and management continues to evolve with better understanding of their biologic behavior. The 2013 World Health Organization (WHO) has revised their classification based on new immunohistochemical and cytogenetic data. In this article, we will provide a brief overview of the revised WHO classification of soft tissue tumors, discuss in detail the radiology and management of the two most common adult non-GIST STS, namely liposarcoma and leiomyosarcoma, and review some of the emerging histology-driven targeted therapies in non-GIST STS, focusing on the role of the radiologist...
January 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28061849/do-size-shape-and-alignment-parameters-of-the-femoral-condyle-affect-the-trochlear-groove-tracking-a-morphometric-study-based-on-3d-computed-tomography-models-in-chinese-people
#12
Zhe Du, Shichang Chen, Mengning Yan, Bing Yue, Yiming Zeng, You Wang
BACKGROUND: Our study aimed to investigate whether geometrical features (size, shape, or alignment parameters) of the femoral condyle affect the morphology of the trochlear groove. METHODS: Computed tomography models of 195 femurs (97 and 98 knees from male and female subjects, respectively) were reconstructed into three-dimensional models and categorised into four types of trochlear groove morphology based on the position of the turning point in relation to the mechanical axis (types 45°, 60°, 75°, and 90°)...
January 6, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28046444/su-d-207a-01-female-pelvic-synthetic-ct-generation-based-on-joint-shape-and-intensity-analysis
#13
L Liu, S Jolly, Y Cao, K Vineberg, J Fessler, J Balter
PURPOSE: To develop a method for generating female pelvic synthetic CT (MRCT) images from a single MR scan and evaluate its utility in radiotherapy. METHODS: Under IRB-approval, an imaging sequence (T1_VIBE_Dixon) was acquired for 10 patients. This sequence yields 3 useful image volumes of different contrast ("in-phase" T1-weighted, fat and water). A previously published pelvic bone shape model was used to generate a rough bone mask for each patient. A modified fuzzy c-means classification was performed on the multi spectral MR data, with a regularization term that utilizes the prior knowledge provided by the bone mask and addresses the intensity overlap between different tissue types...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28042120/correcting-severe-valgus-deformity-taking-out-the-knock
#14
REVIEW
J Lange, S B Haas
Valgus knee deformity can present a number of unique surgical challenges for the total knee arthroplasty (TKA) surgeon. Understanding the typical patterns of bone and soft-tissue pathology in the valgus arthritic knee is critical for appropriate surgical planning. This review aims to provide the knee arthroplasty surgeon with an understanding of surgical management strategies for the treatment of valgus knee arthritis. Lateral femoral and tibial deficiencies, contracted lateral soft tissues, attenuated medial soft tissues, and multiplanar deformities may all be present in the valgus arthritic knee...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28038709/signet-ring-cell-lymphoma-clinicopathologic-immunohistochemical-and-fluorescence-in-situ-hybridization-studies-of-7-cases
#15
Shanxiang Zhang, Jihong Sun, Yanan Fang, Mehdi Nassiri, Lanting Liu, Jiehao Zhou, Ryan Stohler, Haki Choi, Gail H Vance
CONTEXT: Signet-ring cell lymphoma (SRCL) is a rare morphologic variant of non-Hodgkin lymphoma. Although it was initially reported as a rare morphologic variant of follicular lymphoma (FL), SRCL has to date been described in most types of non-Hodgkin lymphoma, mostly as single-case reports. OBJECTIVE: To study SRCL systematically by immunohistochemical stains and fluorescent in situ hybridization analyses. DESIGN: Seven SRCL cases were stained for CD3, CD5, CD20, PAX-5, CD10, CD21, CD23, cyclin D1, BCL2, BCL6, Ki-67, and MUM-1, and were analyzed by fluorescent in situ hybridization for BCL2, BCL6, MYC, and MALT1 rearrangements...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28031030/outcome-after-protected-full-weightbearing-treatment-in-an-orthopedic-device-in-diabetic-neuropathic-arthropathy-charcot-arthropathy-a-comparison-of-unilaterally-and-bilaterally-affected-patients
#16
Niklas Renner, Stephan Hermann Wirth, Georg Osterhoff, Thomas Böni, Martin Berli
BACKGROUND: Charcot neuropathic arthropathy (CN) is a chronic, progressive, destructive, non-infectious process that most frequently affects the bone architecture of the foot in patients with sensory neuropathy. We evaluated the outcome of protected weightbearing treatment of CN in unilaterally and bilaterally affected patients and secondarily compared outcomes in protected versus unprotected weightbearing treatment. METHODS: Patient records and radiographs from 2002 to 2012 were retrospectively analyzed...
December 29, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28027144/orthopaedic-surgery-in-dystonic-cerebral-palsy
#17
Francesco C Blumetti, Jenny Chia Ning Wu, Federica Barzi, Matthias W Axt, Mary-Clare Waugh, Paulo Selber
BACKGROUND: Outcomes after orthopaedic interventions in patients with dystonic cerebral palsy (DCP) are historically regarded as unpredictable. This study aims to evaluate the overall outcome of orthopaedic surgery in children with DCP. METHOD: Children with DCP who underwent lower limb orthopaedic surgery with a minimum follow-up of 12 months were included. Data collected included age at time of surgery, surgical procedures performed, Gross Motor Function Classification System (GMFCS) level, and Barry Albright Dystonia Scale (BADS) score...
December 23, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28024885/heterotopic-ossification-in-primary-total-hip-arthroplasty-using-the-direct-anterior-vs-direct-lateral-approach
#18
Pouya Alijanipour, Ripal P Patel, Tejal U Naik, Javad Parvizi
BACKGROUND: The formation and severity of heterotopic ossification (HO) may be influenced by type of surgical approach. Our hypothesis was that because of differences in soft tissue dissection, differences exist in HO formation in primary total hip arthroplasty using direct anterior (DA) vs direct lateral (DL) approach. METHODS: A total of 1482 consecutive patients with DL (736) or DA (746) approach and similar perioperative care protocol during 2009-2011 were retrospectively studied...
November 22, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28011179/therapy-of-sinonasal-malignancies-invading-the-orbit-orbital-exenteration-versus-preservation-of-the-orbit-plus-radiotherapy
#19
Ali-Farid Safi, Lars Behn, Daniel Rothamel, Orlando Guntinas-Lichius, Dirk Beutner, Hans-Joachim Nickenig, Joachim Zöller, Matthias Kreppel
INTRODUCTION: Orbital invasion is a strong independent prognostic factor for sinonasal malignancies. While there is consent about preservation of the orbit for tumors limited to the orbital periosteum there is controversy about the optimal management of sinonasal malignancies transgressing this barrier. Therefore the aim of our study was to compare exenteration versus preservation of the orbit. MATERIAL AND METHODS: 52 patients with sinonasal malignancies invading the orbit beyond the orbital periosteum with involvement of the orbital soft tissues were included in the retrospective study...
November 30, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27964801/gesteme-free-context-aware-adaptation-of-robot-behavior-in-human-robot-cooperation
#20
Federico Nessi, Elisa Beretta, Cecilia Gatti, Giancarlo Ferrigno, Elena De Momi
BACKGROUND: Cooperative robotics is receiving greater acceptance because the typical advantages provided by manipulators are combined with an intuitive usage. In particular, hands-on robotics may benefit from the adaptation of the assistant behavior with respect to the activity currently performed by the user. A fast and reliable classification of human activities is required, as well as strategies to smoothly modify the control of the manipulator. In this scenario, gesteme-based motion classification is inadequate because it needs the observation of a wide signal percentage and the definition of a rich vocabulary...
November 2016: Artificial Intelligence in Medicine
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