Malignant Pericytic Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A malignant mesenchymal neoplasm arising from the perivascular cells of the connective and soft tissues. It is characterized by the presence of pericytes that grow in a circumferential pattern around vessels, and cytologic atypia.

**Synonyms:** - Malignant Pericytic Tumor - Malignant Perivascular Neoplasm - Malignant Perivascular Tumor