A patient with Werner's syndrome and osteosarcoma presenting as scleroderma.

Khraishi, M; Howard, B; Little, H · J Rheumatol · 1992

case_report · Level V

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Abstract

Werner's syndrome (WS) is often mistaken for scleroderma. We describe a patient with WS who presented with an enlarging, painful mass of the right knee that proved to be a juxtaarticular osteosarcoma of the distal femur. Recognition of WS and prompt investigation of any painful, enlarging masses to exclude sarcomatous degeneration will benefit these patients.

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