Cases reported "chondromatosis, synovial"

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1/161. Osteochondroma and secondary synovial osteochondromatosis.

    Secondary synovial osteochondromatosis (SOC) is a rare disorder caused by a variety of joint disorders. Two unusual cases of secondary SOC are presented. The first patient is a 43-year-old man with extensive SOC developing within a bursa surrounding an osteochondroma of the pubic bone. The second patient is a 23-year-old man who developed florid and progressive SOC of his hip joint following excision of a femoral neck osteochondroma. SOC recurred despite three excisions over a 15-month period. Imaging was useful in pre-operative diagnosis of bursal SOC in the first patient and in detecting multiple recurrences in the second patient. Both cases illustrate prominent SOC developing secondary to osteochondroma. The different hypotheses regarding bursal and secondary SOC are reviewed. ( info)

2/161. Vertebral synovial osteochondromatosis with compressive myelopathy.

    STUDY DESIGN: A case report of vertebral synovial osteochondromatosis with compressive myelopathy. OBJECTIVES: To describe the clinical, radiologic, and histopathologic features of vertebral facet synovial osteochondromatosis with compressive myelopathy. SUMMARY OF BACKGROUND DATA: There has been only one previously reported case of synovial osteochondromatosis affecting the vertebral facet joint and no previous report of associated compressive myelopathy. methods: The case history, radiology, surgical findings, and histopathology are reviewed. RESULTS: Vertebral facet synovial osteochondromatosis is a potential and readily manageable cause of spinal cord compression. CONCLUSIONS: Synovial osteochondromatosis of the vertebral facet joint should be considered as a cause of compressive myelopathy. ( info)

3/161. Chondromatosis of the ankle joint (Reichel syndrome).

    A case of chondromatosis of the upper ankle joint in childhood is described. It is a monoarticular disease with a good prognosis, frequently without known prior trauma or inflammation, although often free fragments of cartilage are seen in the joint cavities. It originates from the synovium of the joint, and is known in the literature as Reichel syndrome. ( info)

4/161. Synovial osteochondromatosis of the retrocalcaneal bursa: a case study.

    A 42-year-old man presented with synovial osteochondromatosis (SO) of the retrocalcaneal bursa with intraosseous lesions in the calcaneum, leading to significant pain and consequent disability. Simple x-rays, computed tomography, and magnetic resonance imaging were performed preoperatively. The patient has remained asymptomatic, clinically and radiographically, without recurrent lesions for 18 months postoperatively. ( info)

5/161. Extra-articular synovial chondromatosis of the temporomandibular joint: pitfalls in diagnosis.

    Synovial chondromatosis is a benign disease that only rarely affects the temporomandibular joint. When it does, disease is usually confined to the joint space itself but can occasionally extend beyond the joint capsule into the parotid gland, temporal bone, or cranium. The local clinical behavior, radiographic appearance, and histopathologic features can combine to create the appearance of a malignant lesion. We report a case of synovial chondromatosis that affected the temporomandibular joint and presented as an external auditory canal mass. The lesion was thought to be a chondrosarcoma prior to the definitive resection. Pitfalls in the diagnosis and management of synovial chondromatosis are discussed. ( info)

6/161. Tenosynovial chondromatosis of the third finger.

    Synovial chondromatosis is an uncommon lesion, characterised by cartilaginous and osseous metaplasia of the joint synovium. It usually involves a large joint and rarely occurs in the hand. A case of tenosynovial chondromatosis of the third finger is reported. ( info)

7/161. Synovial chondromatosis of the subcoracoid bursa.

    Synovial chondromatosis, is the chondroid metaplasia of the synovial membrane. Large joints such as the knee and hip are most commonly involved. Extraarticular involvement is rarely described. Synovial chondromatosis may be associated with impingement syndrome of the shoulder. We report a case of synovial chondromatosis of the subcoracoid bursa, which resulted in impingement symptoms. ( info)

8/161. Synovial chondromatosis in a facet joint of a cervical vertebra.

    STUDY DESIGN: A case report of a cervical facet joint synovial chondromatosis. OBJECTIVES: To correlate the radiologic and histologic features of vertebral synovial chondromatosis with review of the literature. SUMMARY OF BACKGROUND DATA: Only two previous cases of vertebral facet joint synovial chondromatosis were found in a review of the English language medical literature. methods: A 39-year-old woman had severe cervical pain associated with neurologic signs and symptoms in the left upper extremity. Computed tomographic and magnetic resonance imaging studies were performed. RESULTS: Imaging studies showed lytic defects in the laminae of C3 and C4, with intermediate T1 and high T2 signal intensities. The diagnostic impression was that of a lymphangioma or synovial cyst. A laminectomy showed synovial tissue in both the C3-C4 facet joint and the lamina bone. Histologic examination disclosed synovial chondromatosis. CONCLUSIONS: Synovial chondromatosis of the vertebral spine is quite rare, this being only the third reported example. Direct invasion of the cancellous bone, as in this case, also is a very uncommon feature of chondromatosis. It is emphasized that when radiologic studies demonstrate a lesion with cartilaginous characteristics within or juxtaposed to a joint, synovial chondromatosis, despite its rarity, should be included in the differential diagnosis, regardless of the anatomic site. ( info)

9/161. Synovial osteochondromatosis of the sternoclavicular joint.

    A 9-year-old boy with a rare localisation of synovial osteochondromatosis at the left sternoclavicular joint is presented. Synovial osteochondromatosis at this site and at this age has not been previously reported. joint loose bodies were removed surgically and partial synovectomy was performed. Follow-up showed no evidence of recurrence over a period of 8 years. ( info)

10/161. Synovial osteochondromatosis at the elbow producing ulnar and median nerve palsy. Case report and review of the literature.

    The authors present the case of a 53-year-old woman suffering from synovial osteochondromatosis of her right elbow responsible for ulnar and median nerve entrapment neuropathy. This condition is characterised by the formation of multiple cartilaginous nodules in the metaplastic synovium of otherwise normal joints, bursae or tendon sheaths. Treatment consisted of partial synovectomy, removal of loose bodies and microscopic nerve release. Synovial osteochondromatosis complicated by nerve compression syndromes has been rarely reported, usually with ulnar tunnel syndrome at the elbow. The literature on this subject is reviewed. ( info)
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