Tenosynovial giant cell tumors as accidental findings after episodes of distortion of the ankle: Two case reports

Article (PDF Available)inJournal of Medical Case Reports 3(1):9331 · December 2009with45 Reads
DOI: 10.1186/1752-1947-3-9331 · Source: PubMed
Tenosynovial giant cell tumors are benign tumors of uncertain pathogenesis. They occur in the joints, tendons and synovial bursas. Due to a high recurrence rate of up to 50%, some authors call a giant cell tumor a semimalignant tumor. To date, less than 10 cases of tenosynovial giant cell tumor of the ankle have been published in the international medical literature. In this case report, we present two patients with localized tumors that were detected accidentally after the occurrence of ankle sprains with persisting pain in the joint. The tumors were resected by open marginal surgery and regular follow-up examinations were carried out. We present an unusual occurrence of a tumor along with a possible follow-up strategy, which has not been previously discussed in the international literature.

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    • "Several types of masses can be identified by US. They are usually not related to rheumatologic pathology and are represented by ganglionic cysts-hypoechoic/ anechoic uni or multilobulate masses with acoustic enhancement , close to tendon sheaths [13] , aneurisms or pseudoaneurisms of local vessels [32], tenosynovial giant cell tumors-with non-specific solid hypoechoic appearance adjacent to a normal tendon [33], neurogenic tumors on the deep peroneal nerve in the anterior compartment and at distal fibula for the superficial peroneal nerve, abscess – hypoechoic or mixed content, acoustic enhancement, diffuse margins [34]. These structures represent the cause of pathological modifications by affecting directly an anatomical structure or they can have a mass effect on the surrounding anatomical structures generating compression/ entrapment pathology. "
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