label: Skin Epithelioid Fibrous Histiocytoma
label_lc: skin epithelioid fibrous histiocytoma
description: A benign primary cutaneous neoplasm of unknown histogenesis that presents as an exophytic nodule and is characterized by the presence of epithelioid neoplastic cells. It is probably biologically distinct from conventional fibrous histiocytoma of the skin and its subtypes. ALK gene rearrangement is present in most cases.