Superficial angiomyxoma of the thumb mimicking a malignant bone tumor: case report.

Bhat, Anil K; Acharya, Ashwath M; Rosario, Prashant; Anuradha, C K; Rao, Lakshmi · J Hand Surg Am · 2014

case_report · Level V

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Abstract

Superficial angiomyxoma is a distinctive cutaneous soft tissue neoplasm commonly involving dermal and subcutaneous tissues and showing a prominent angiomyxoid matrix interspersed with numerous blood vessels. We report a case of superficial angiomyxoma in a 70-year-old man who presented with a fungating swelling on the distal phalanx of the thumb mimicking a malignant tumor. The diagnosis of superficial angiomyxoma was made based on histopathology and immunohistochemistry. We report this lesion because of its rare presentation with extensive distal phalangeal osteolysis mimicking a malignant bone tumor.

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