Neoplastic Process
hemangiopericytoma
[ hee-man-jee-oh-payr-ih-sy-toh-muh ]
Subclass of:
Neoplasms, Vascular Tissue
Definitions related to hemangiopericytoma:
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A tumor composed of spindle cells with a rich vascular network, which apparently arises from pericytes, cells of smooth muscle origin that lie around small vessels. Benign and malignant hemangiopericytomas exist, and the rarity of these lesions has led to considerable confusion in distinguishing between benign and malignant variants. (From Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1364)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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A type of cancer involving blood vessels and soft tissue.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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An antiquated term that refers to benign or malignant mesenchymal neoplasms characterized by the presence of neoplastic spindle-shaped to round cells arranged around thin-walled branching vascular spaces.NCI ThesaurusU.S. National Cancer Institute, 2021
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Hemangiopericytoma is a term used to described a group of tumors that are derived from pericytes, the cells normally arranged along specific types of blood vessels called capillaries and venules. These types of tumors are typically slow-growing, may be either benign (non-cancerous) or malignant (cancerous), and may occur anywhere in the...National Center for Advancing Translational Sciences
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