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Multiple flexor tendon ruptures due to osteochondroma of the hamate:A case report

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World Journal of Clinical Cases 2023年第13期11卷 3038-3044页

作者： Tae Young Kwon Young-Keun Lee Department of Orthopedics Jeonbuk National University HospitalJeonju-si 54907South Korea Department of Orthopedic Surgery Research Institute of Clinical Medicine of Jeonbuk National University–Biomedical Research Institute of Jeonbuk National University HospitalJeonju 54896South Korea

BACKGROUND Closed rupture of the little and ring finger flexor tendons caused by the hamate is mostly associated with a fracture or nonunion of the hamate *** one case of a closed rupture of the finger flexor tendon caused by osteochondroma in the hamate has been ***,we present a case study to highlight the possibility of hamate osteochondroma as a rare cause of finger closed flexor tendon rupture based on our clinical experience and literature *** SUMMARY A 48-year-old man who had been a rice-field farmer for 7–8 h a day for the past 30 years visited our clinic due to the loss of right little finger and ring finger flexion involving both the proximal and distal interphalangeal *** patient was diagnosed with a complete rupture of the ring and little finger flexors because of the hamate and was pathologically diagnosed with an *** surgery was performed,and a complete rupture of the ring and little finger flexors due to an osteophyte-like lesion of the hamate was observed,which was pathologically diagnosed as an *** One should consider that osteochondroma in the hamate may be the cause of closed tendon ruptures.

关键词： Flexor tendon Finger Closed tendon rupture Hamate osteochondroma Case report

Calcaneal osteochondroma masquerading as plantar fasciitis: An approach to plantar heel pain-A case report and literature review

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World Journal of Orthopedics 2019年第9期10卷 339-347页

作者： Don Koh Yvonne Goh Nicholas Yeo Department of Orthopaedic Surgery Singapore General HospitalSingapore 169856Singapore NUS Yong Loo Lin School of Medicine NUHS Tower BlockSingapore 119228Singapore

BACKGROUND Heel pain is a common orthopaedic complaint,and if left untreated can be a source of chronic *** diagnosis can be challenging,owing to the complex anatomy and multiple pain generators present in the *** aim to share our clinical experience managing an unusual case of chronic heel pain secondary to *** SUMMARY A 41-year-old obese male who works as a porter presented with a long-standing history of left plantar heel *** was assessed to have point tenderness over the plantar insertion of the calcaneus as well as a positive Silfverski?ld *** was treated for plantar fasciitis and tight gastrocnemius but failed conservative therapies as well as surgical *** resonance imaging revealed the presence of a pedunculated bony protrusion over the plantar aspect of the *** decision was made for excision of the osteochondroma,and the patient has been pain-free *** osteochondromas are rarely symptomatic in skeletally mature *** most are benign with a very low risk of malignant transformation,surgical excision can yield excellent results and significant pain relief in symptomatic patients.

关键词： Chronic heel pain Recalcitrant heel pain osteochondroma Diagnostic challenge Case report

Complete recovery of severe tetraparesis after excision of large C1-osteochondroma

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World Journal of Neurology 2013年第3期3卷 79-82页

作者： Essam A Elgamal Neurosurgery Department Mafraq Hospital Abu Dhabi 2951 United Arab Emirates

Severe tetraparesis resulting from cervical cord compression due to osteochondroma of the Atlas is a rare condition, especially in young children. In this report, the author discusses the clinical presentation, and outcome of surgical excision of a large C1 osteochondroma presenting with severe myelopathic tetraparesis, in a 10-year-old girl. Computed tomography and magnetic resonance images revealed a large bony lump arising from the posterior arch of atlas, filling most of the spinal canal, and compressing the cervical spinal cord. Another histologically proven exostosis was incidentally found at the spinous process of T1. There was no history of exostosis in the family, and the patient improved dramatically after removal of the C1 osteochondroma.

关键词： osteochondroma Exostosis Atlas Tetraparesis Myelopathy Recovery

Comparison of computed tomography and magnetic resonance imaging for the detection of mandibular condylar osteochondroma

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Oncology and Translational Medicine 2018年第3期4卷 108-115页

作者： Molun Shen Ling Zhu Hongbo Yu Lei Zhang Xudong Wang Department of Oral and Craniomaxillofacial Surgery Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of MedicineShanghai Key Laboratory of Stomatology Department of Oral and Maxillofacial Surgery Hefei Stomatological Hospital Department of Oral Radiology Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine

Objective The purpose of this study was to compare computed tomography(CT) and magnetic resonance imaging(MRI) for the detection of mandibular condylar *** Preoperative CT and MRI of 33 patients with unilateral condylar osteochondroma were reviewed. The morphology, location, continuity with the parent bone, cartilage cap, perichondrium of tumors, and changes in soft and hard tissues adjacent to the lesions were investigated by two reviewers. Data were analyzed using Mc Nemar test. A P value osteochondromas, 11 were of the diffuse type, 10 were of the sessile type, and 12 were of the pedunculated type. Continuity with the cortex and marrow of the host condyle was observed on both CT and MRI. Both modalities had identical detection rates of surface reconstruction of the temporal bone joint, condylar dislocation, and pseudarthrosis formation. However, MRI showed significantly higher detection rates of the cartilage cap and perichondrium than CT(P osteochondromas through three-dimensional reconstruction. MRI may be superior to CT in the detection of cartilage cap, perichondrium of the condylar osteochondroma, and changes in the TMJ and adjacent soft tissues.

关键词： mandibular condyle osteochondroma computed tomography (CT) magnetic resonance imaging (MRI)

The Impact of Subungual osteochondroma Deformans on Severely Mycotic Toenails

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Journal of Cosmetics, Dermatological Sciences and Applications 2019年第1期9卷 56-65页

作者： Christopher Brian Stewart Maryellen Ann Waltz Central Virginia Foot & Ankle Laser Center Charlottesville VA USA

Background: We examined 94 toenails exhibiting clinical signs of severe onychomycosis taking into account multiple contributing factors, not the least of which was Subungual osteochondroma Deformans (SOD). We hypothesize that SOD plays a significant role in both the etiology and treatment of onychomycosis. Methods/Results: A retrospective post-treatment outcome analysis was performed comparing two groups of severely mycotic toenails. The first group of 25 fungal nails showed 54.31% improvement following treatment by both surgical nail avulsion and a 1064 YAG laser-based Nail Restoration algorithm. The second group of 69 fungal nails was not only treated using the same nail avulsion/laser-based algorithm but was also evaluated for SOD lesions which were surgically removed when present, resulting in 95.31% improvement. The overall incidence of SOD lesions in the second group of severely mycotic toenails was 73.91%. Conclusion: We submit that at 73.91% Subungual osteochondroma Deformans has an under-reported and under-appreciated association with toenail fungus. Generally, we find that our success rates in treating severe toenail fungus using our laser-based Nail Restoration Protocols are much higher when SOD lesions are surgically removed.

关键词： Subungual osteochondroma Deformans Onychomycosis Laser Toenail Topical Surgery Bone Spur

Unusual Case of Pneumothorax Caused by Costal osteochondroma

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Open Journal of Thoracic Surgery 2012年第4期2卷 108-110页

作者： Rahul Vemula Sarav Shah Lournes J. Willekes II Department of Surgery Monmouth Medical Center Long Branch USA Division of Thoracic Surgery Monmouth Medical Center Long Branch USA Drexel University College of Medicine Philadelphia USA

osteochondroma is the most common benign cartilage tumor. Although, most lesions are asymptomatic, life-threatening conditions caused osteochondromas have been reported in the literature such pneumothorax, hemothorax, diaphragmatic rupture, and lung injury. We report a case of a thirty year old male who presented with shortness of breath and was found to have a pneumothorax on chest X-ray. Subsequent Computed Tomography of the chest revealed a 1.3 cm growth on the posterior portion of the fourth right rib protruding into the right middle lobe. The patient underwent thoracoscopic resection of the lesion along with a wedge resection of the right middle lobe. The rib was reconstructed using a metal plate. He remains asymptomatic without recurrence on a one year follow up.

关键词： osteochondroma VATS Thoracoscopy Thoracic Oncology

Fluorine-18 Fluorodeoxyglucose Positron Emission Tomography for osteochondromas Utilizing a Triple-Time Point Protocol

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Open Journal of Medical Imaging 2011年第2期1卷 15-20页

作者： Chris Sambaziotis Andrew Lovy Renee M. Moadel Murthy Chamarthy Joseph Glaser Srividya Jaini Esperanza Villanueva-Siles David S. Geller 不详

Purpose: The purpose of this study was to assess solitary osteochondroma and hereditary multiple osteochondral exostoses (HMOCE) utilizing FDG PET and a triple time point protocol. Methods: Seven patients were consented and recruited for PET evaluation of presumed benign osteochondroma. Following injection of 15 mCi of FDG, the lesion(s) of interest was imaged with PET-CT at 45 minutes post injection, whole body at 50 minutes post, and lesion of interest at 95 minutes post injection. A maximum standardized uptake value (SUVmax) was obtained for the lesion(s) of interest at each time point, and an SUVΔ was calculated for each lesion of interest from the first time point to the third time point. Results: 16 lesions from 7 patients were included in the study. Mean SUVmax for all 3 time points was 1.04 with a standard deviation of 0.50 (range 0.3 - 2.2). The mean SUV was 0.096 with a range of 0 - 0.4. Among the 3 patients with histologically confirmed osteochondromas, mean SUVmax was 0.67, with standard deviation of 0.23 and range of 0.3 to 1.0. The mean SUVΔ13 was 0.081 (range 0 - 0.4), mean SUVΔ12 was 0.10 (0 - 0.3), and mean SUVΔ23 was 0.11 (range 0 - 0.4) (p = 0.74). Conclusion: Benign lesions were found to not have progressively increasing uptake on multiple time point FDG PET. Until chondrosarcomas are evaluated using triple time point 18FDG PET, its applicability in the evaluation of osteochondroma versus malignant change remains uncertain.

关键词： Positron Emission Tomography osteochondroma Chondrosarcoma Fluorine-18 Fluorodeoxyglucose

Synovial Hemangioma in a 2 Year Old Mimicking Synovial osteochondromatosis

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Open Journal of Radiology 2012年第1期2卷 22-24页

作者： Thomas Ray Sanchez Stephen Wong Leonard Swischuck Kelly Carmichael University of California Davis USA

We describe a rare synovial mass arising from the elbow of a 2 year old female. It was growing slowly for three months and there was no history of trauma or fever. Plain radiographs showed a soft tissue mass around the elbow with scattered nodular intraarticular calcifications. Ultrasound and MRI confirmed the synovial location of the mass and again showed the multiple calcifications, some of which suggested intraarticular loose bodies. The imaging findings were thought to represent synovial osteochondromatosis but subsequent biopsy revealed a synovial hemangioma and it is for this reason that we present our case.

关键词： Synovial Hemangioma Synovial osteochondroma Synovial Tumor

Over-expression of Sox4 and β-catenin Is Associated with a Less Favorable Prognosis of Osteosarcoma

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Journal of Huazhong University of Science and Technology(Medical Sciences) 2016年第2期36卷 193-199页

作者：鲍正齐张长春肖玉周周建生陶仪声柴大敏 Department of Orthopaedics the First Affiliated Hospital of Bengbu Medical College Department of Pathology the First Affiliated Hospital of Bengbu Medical College

The purpose of this study was to examine the association of the expression of Sox4 and β-catenin with the prognosis of osteosarcoma. A total of 108 cases of conventional osteosarcoma were involved in this study and 28 cases of osteochondroma served as controls. The expression of Sox4 and β-catenin was detected by using immunohistochemical staining and Western blotting. The results showed that Sox4 and β-catenin were over-expressed in 67（62.03%） and 62（57.41%） of 108 osteosarcoma cases, while in only 3（10.71%） and 5（17.86%） of 28 controls, respectively（P〈0.05 for all）. The expression of Sox4 and β-catenin was associated with the distant metastasis, pathological grade and Enneking stage of patients with osteosarcoma（P〈0.05 for all）. The mean overall survival time and the 5-year-survival rate in osteosarcoma patients with Sox4 and β-catenin over-expressed were significantly reduced as compared with those in Sox4 and β-catenin low-expression group（P〈0.05 for all）. Cox multifactor regression analysis revealed that the distant metastasis, Enneking stage, and the expression of Sox4 and β-catenin were independent risk factors of patients with osteosarcoma（P〈0.05 for all）. The findings indicated that overexpression of Sox4 and β-catenin is associated with a poor prognosis of osteosarcoma.

关键词： osteosarcoma osteochondroma Sox4 β-catenin prognosis