[Misleading hemangipericytoma malignancy].
D000328:Adult; D000368:Aged; D002081:Buttocks; D005260:Female; D006393:Hemangiopericytoma / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000473:pathology / Q000601:surgery*; D012983:Soft Tissue Neoplasms / Q000473:pathology / Q000601:surgery*
Malignité déroutante de l'hémangiopéricytome.