Clinical and radiologic features of pigmented villonodular synovitis of the foot: report of eight cases.

Pigmented villonodular synovitis, a rare proliferative disease of unknown etiology, is rare in the foot (2% of these lesions). A retrospective review was undertaken of the case histories, radiographs, and imaging results of eight patients treated for pigmented villonodular synovitis of the foot. Pigmented villonodular synovitis was located in the rearfoot in five patients and in the forefoot in the other three.

Foot schwannomas that mimic nerve-entrapment syndromes: a report of three cases.

Schwannomas of the foot are rare. We describe three cases that mimicked compressive neuropathy, two resembling tarsal tunnel syndrome and a third resembling Morton's neuroma. All three patients had complete resolution of their pain after resection of the tumor.