histiocytoma

histiocytoma
A tumor composed of histiocytes. [histio- + G. kytos, cell, + -oma, tumor]
- generalized eruptive h. a rare recurring generalized eruption in adults of flesh colored or erythematous papules remaining localized to the skin and consisting of dermal nodules of mononuclear histiocytes that do not stain for lipid. SYN: nodular non-X histiocytosis.
- malignant fibrous h. a sarcoma of variable malignant potential, occurring most often in the extremities and retroperitoneum; often recurs locally after resection, less often metastasizes; shows partial fibroblastic and histiocytic differentiation with a variable storiform pattern, myxoid areas, and giant cells.

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his·tio·cy·to·ma .his-tē-ō-sī-'tō-mə n, pl -mas also -ma·ta -mət-ə a tumor that consists predominantly of macrophages <a malignant fibrous \histiocytoma of the spleen>

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n.
a tumour that contains macrophage or histiocyte, large cells with the ability to engulf foreign matter and bacteria. See also fibrosarcoma.

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his·tio·cy·to·ma (his″te-o-si-toґmə) [histiocyte + -oma] a tumor containing histiocytes (macrophages).

Medical dictionary. 2011.

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  • Histiocytoma — vgl. Histiozytom …   Das Wörterbuch medizinischer Fachausdrücke

  • Histiocytoma — A histiocytoma is a proliferation of histiocytes. *For histiocytomas in humans, please see histiocyte. *For histiocytomas in dogs, please see histiocytoma (dog) …   Wikipedia

  • histiocytoma — n. a tumour that contains macrophages or histiocytes, large cells with the ability to engulf foreign matter and bacteria. See also: fibrosarcoma (malignant fibrous histiocytoma) …   The new mediacal dictionary

  • Histiocytoma (dog) — A histiocytoma in the dog is a benign tumor. It is an abnormal growth in the skin of histiocytes (histiocytosis), a cell that is part of the immune system. A similar disease in humans, Hashimoto Pritzker disease, is also a Langerhans cell… …   Wikipedia

  • histiocytoma — his·tio·cy·to·ma …   English syllables

  • histiocytoma — …   Useful english dictionary

  • histiocytoma cutis — dermatofibroma …   Medical dictionary

  • Benign fibrous histiocytoma — Dermatofibroma Classification and external resources ICD 10 D23 (ILDS D23.L62) ICD 9 216.9 …   Wikipedia

  • Malignant fibrous histiocytoma — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 31471 ICD10 = ICD9 = ICDO = OMIM = 8830/3 MedlinePlus = eMedicineSubj = radio eMedicineTopic = 420 MeshID = D051677 Malignant fibrous histiocytoma (MFH) is a type of cancer that is the most… …   Wikipedia

  • generalized eruptive histiocytoma — a rare, self limited skin disorder usually seen on the face, trunk, or proximal limbs, characterized by discolored papules that contain macrophages; some authorities consider this condition, benign fibrous histiocytoma, and juvenile… …   Medical dictionary

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