Primary synovial chondromatosis of the subtalar joint: case report and review of the literature

Stensby, J. Derek; Fox, Michael G.; Kwon, Michael S.; Caycedo, Francisco; Rahimi, Asal

doi:10.1007/s00256-017-2775-6

Cited by 8 publications

(16 citation statements)

References 29 publications

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“…Synovial osteochondromatosis is also a rare joint disorder that is more rarely observed in the foot and ankle (10,11). It is usually monoarticular and occurs most commonly in larger joints, with >50% of the cases occurring in the knee (10,11). Therefore, biopsy is often necessary to diagnose the patient, as described in the present case.…”

Section: Case Reportmentioning

confidence: 77%

“…However, other findings, such as extra-articular growth, low signal intensity in the synovia, and synovitis, were not significant variables on predicting synovial sarcoma (3). Synovial osteochondromatosis is also a rare joint disorder that is more rarely observed in the foot and ankle (10,11). It is usually monoarticular and occurs most commonly in larger joints, with >50% of the cases occurring in the knee (10,11).…”

Section: Case Reportmentioning

confidence: 99%

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Intra-articular synovial sarcoma in the ankle joint: A case report

et al. 2018

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Intra-articular primary soft tissue sarcomas are extremely rare. The present case report describes a case of intra-articular synovial sarcoma of the ankle joint. A 51-year-old man presented with complaints of swelling and progressive pain in the right ankle. Lateral radiographs of the ankle revealed lytic invasion of the anterior and posterior parts of the talus. Computed tomography imaging revealed a low-density lesion with calcifications around the ankle joint. Magnetic resonance imaging revealed that the diffuse lesion was isointense on T1-weighted images and hypointense to hyperintense on T2-weighted images. The final diagnosis was synovial sarcoma. The foot could not be salvaged as the sarcoma was diffusely spread throughout the ankle joint; thus, the patient underwent below-the-knee amputation with neoadjuvant and adjuvant chemotherapy. He succumbed from fatal arrhythmia 2 years following the initial diagnosis. Although intra-articular primary soft tissue sarcomas are extremely rare, the possibility of malignancy should be considered.

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Section: Case Reportmentioning

confidence: 77%

Section: Case Reportmentioning

confidence: 99%

Intra-articular synovial sarcoma in the ankle joint: A case report

et al. 2018

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“…PSC of the foot and ankle is exceedingly rare, with only a few cases reported in the literature worldwide. The subtalar joint is mostly affected[11,13-15]. Other reports include tibiotalar, calcaneocuboid, talonavicular, navicular-cuneiform, tarsometatarsal and metatarsophalangeal joints[1,13,15].…”

Section: Discussionmentioning

confidence: 99%

“…The subtalar joint is mostly affected[11,13-15]. Other reports include tibiotalar, calcaneocuboid, talonavicular, navicular-cuneiform, tarsometatarsal and metatarsophalangeal joints[1,13,15]. Recently, Isbell described a PSC case of the ankle with associated talar syndrome[23].…”

Section: Discussionmentioning

confidence: 99%

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Synovial chondromatosis of the foot: two case reports and literature review

Monestier¹,

Riva²,

Stissi

et al. 2019

WJO

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BACKGROUNDPrimary synovial chondromatosis (PSC) is a rare arthropathy of the synovial joints characterized by the formation of cartilaginous nodules, which may detach and become loose bodies within the joint and may undergo secondary proliferation. PSC of the foot and ankle is exceedingly rare, with only a few cases reported in the literature. The diagnosis may be difficult and delayed until operative treatment, when it is confirmed by histological assessment. PSC may degenerate into chondrosarcoma. Operative treatment is the gold standard aiming to minimize pain, improve function, prevent or limit progression of arthritis. Surgical treatment consists in debridement by arthrotomic or arthroscopic management, but there is no consensus in the literature about timing of surgery and surgical technique. Thus, the aim of this study is to report the outcomes of the surgical treatment of two cases, together with a literature review.CASE SUMMARYWe report two cases of patients affected by PSC of the foot in stage III, according to the Milgram classification: the former PSC localized in the ankle that underwent open surgery consisted of loose bodies removal; the latter in the subtalar joint, and the choice of treatment was the arthrotomy and debridement from loose bodies, in addition to the subtalar arthrodesis. Both patients returned to complete daily and working life after surgery.CONCLUSIONSynovial chondromatosis is a rare benign pathology, even rarer in the ankle joint and especially in the foot. Surgery should be minimal in patients with ankle PSC, choosing the correct timing, waiting if possible until stage III. More aggressive and early surgery should be performed in patients with PSC of the foot, particularly the subtalar joint, due to the high risk of arthritic evolution.

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A rare case of giant synovial osteochondromatosis of the thigh

et al. 2019

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Rationale: Giant synovial osteochondromatosis of the thigh is a highly unusual disease without standard diagnosis and curative managements so far. Our focus is to report a very rare case of giant synovial osteochondromatosis successfully operated by surgical treatment. The management of these unique cases has certain educational significance in clinical practice. Patient concerns: A 63-year-old previously healthy man presented to our institution with a 4-year history of continuous progressive hip pain and local numbness of right side in January 2018. One month ago, the patient felt that the above symptoms were aggravated, and the right hip and proximal thigh were significantly swollen. Diagnosis: Computed tomography and magnetic resonance imaging of the hip revealed the irregular mass in his right thigh. Post-operative pathology confirmed the diagnosis of synovial osteochondromatosis of the thigh. Interventions: Considering the large volume of the mass and possibility of malignancy, the patient underwent surgical exploration and complete tumor resection. Outcomes: The patient's neurological deficits and symptoms improved significantly after the surgery, and the postoperative period was uneventful at the 1-year follow-up visit. There were no complications associated with the operation during the follow-up period. Lessons: Taken together, the lesion's clinical features, imaging results, and pathological characteristics are unique. Synovial osteochondromatosis of the thigh, although rare, should be part of the differential diagnosis when the patient presents with local pain, numbness, swelling or other symptoms. We recommend surgical treatment for the occupying lesion when the tumor has caused symptoms or neurological deficits.

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Primary synovial chondromatosis of the subtalar joint: case report and review of the literature

Cited by 8 publications

References 29 publications

Intra-articular synovial sarcoma in the ankle joint: A case report

Intra-articular synovial sarcoma in the ankle joint: A case report

Synovial chondromatosis of the foot: two case reports and literature review

A rare case of giant synovial osteochondromatosis of the thigh

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