Monarch Disease Ontology term MONDO_0006717 (cutaneous fibrous histiocytoma) is a benign, intermediate, or malignant mesenchymal neoplasm composed of fibrohistiocytic cells, spindle fibroblastic cells, and histiocytes, in a storiform pattern. Also known as: benign cutaneous fibrous histiocytoma, benign fibrous cutaneous histiocytoma, benign fibrous histiocytoma of skin, benign fibrous histiocytoma of the skin, benign skin fibrous histiocytoma, dermatofibroma, dermatofibroma, no ICD-O subtype, dermatofibroma, no ICD-O subtype (morphologic abnormality).