title: The morphological variations of fibrous histiocytomas.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002196:Capillaries / Q000473:pathology; D003094:Collagen; D003238:Connective Tissue / Q000473:pathology; D005205:Fascia / Q000473:pathology; D005260:Female; D005354:Fibrosarcoma / Q000473:pathology; D006486:Hemosiderosis / Q000473:pathology; D006644:Histiocytes / Q000473:pathology; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008938:Mitosis; D012867:Skin / Q000098:blood supply / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*
chemical_list: D003094:Collagen