Keywords: اسکلروزیس فیبروسارکوم اپیتلیویید; Low-grade fibromyxoid sarcoma; Hyalinizing spindle cell tumor with giant rosettes; Sclerosing epithelioid fibrosarcoma; Genetics; Pathology; Gene rearrangement; Translocation; FUS-CREB3L2; FUS-CREB3L1; EWSR1-CREB3L2;