Histogenesis of dermatofibrosarcoma protuberans. An ultrastructural study. 1978

A Alguacil-Garcia, and K K Unni, and J R Goellner

Ultrastructural study of five typical lesions of dermatofibrosarcoma protuberans revealed that the basic cell is fusiform and has a somewhat indented nucleus and an even distribution of cytoplasmic organelles. Fragments of basal lamina, intercellular junctions, abundant intercellular fibers, and a tendency to form cellular sheaths also were found. The tumor cells had a strong resemblance to pericytes and perineural cells, as well as marked ultrastructural similarities to neurofibroma. The authors conclude that dermatofibrosarcoma protuberans arises from a primitive fibroblastic cell with a "sheath forming cell" differentiation that has a closer relationship to the perineural cell than to the pericyte.

UI MeSH Term Description Entries
D005354 Fibrosarcoma A sarcoma derived from deep fibrous tissue, characterized by bundles of immature proliferating fibroblasts with variable collagen formation, which tends to invade locally and metastasize by the bloodstream. (Stedman, 25th ed) Fibrosarcomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012878 Skin Neoplasms Tumors or cancer of the SKIN. Cancer of Skin,Skin Cancer,Cancer of the Skin,Neoplasms, Skin,Cancer, Skin,Cancers, Skin,Neoplasm, Skin,Skin Cancers,Skin Neoplasm

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