[A malignant mesenchymal neoplasm arising from the perivascular cells of the connective ad soft tissues. It is characterized by the presence of pericytes that grow in a circumferential pattern around vessels, and cytologic atypia. ( NCI )]
UMLS (NCI) C1334611Malignant Pericytic Tumor
Malignant Perivascular Neoplasm
Malignant Perivascular Tumor