Cutaneous clear cell sarcoma: report of three cases of a potentially underestimated mimicker of spindle cell melanoma.

Abstract:Clear cell sarcoma is a unique soft tissue tumor with distinct microscopic features that include a nested or fascicular pattern of spindle cells accompanied by larger wreath-like giant cells scattered throughout. It harbors a unique EWSR1-ATF1 gene fusion secondary to a t(12;22)(q13;q12) tr