obsolete connective tissue cancer hemangiopericytic tumor hemangiopericytoma https://www.malacards.org/card/hemangiopericytoma_malignant hemangiopericytoma SCTID:134335004 UMLS:C0018922 DOID:264 hemangiopericytoma, malignant (morphologic abnormality) MESH:D006393 MEDGEN:5478 malignant hemangiopericytoma MONDO:0005094 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. NCIT:C3087 ICDO:9150/1 haemangiopericytic meningioma [obs]