histiocytoma /his·tio·cyt·oma/ (his″te-o-si-to´mah) a tumor containing histiocytes (macrophages).
benign fibrous histiocytoma any of a group of benign neoplasms occurring in the dermis and characterized by histiocytes and fibroblasts; the term sometimes encompasses several types of neoplasms, such as dermatofibroma, nodular subepidermal fibrosis, and sclerosing hemangioma and sometimes is synonymous with one of these.
malignant fibrous histiocytoma any of a group of malignant neoplasms containing cells resembling histiocytes and fibroblasts.
his·ti·o·cy·to·ma (h s t - -s -t m )n. pl. his·ti·o·cy·to·mas or his·ti·o·cy·to·ma·ta (-m -t) A tumor composed of histiocytes. |
histiocytoma
a tumor containing histiocytes.
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Histiocytoma. By permission from Kummel BA, Color Atlas of Small Animal Dermatology, Mosby, 1989
atypical histiocytoma
Merkel cell tumor.
benign cutaneous histiocytoma
multiple, dermal histiocytic nodules in young dogs; no clinical significance, eventually disappear.
transmissible histiocytoma
canine transmissible venereal tumor.
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