Hemangiopericytoma

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 and Practice of Oncology, 3d ed, p1364)

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Tree Number(s): C04.557.645.380

MeSH Unique ID: D006393

Entry Terms:

• Hemangiopericytomas

All MeSH Categories
Diseases Category
Neoplasms
Neoplasms by Histologic Type
Neoplasms, Vascular Tissue
Hemangiopericytoma
Myopericytoma