pericytic tumors (myopericytic tumors)
References
Allt G, Lawrenson JG. Pericytes: cell biology and pathology. Cells Tissues Organs. 2001;169(1):1-11. PMID: #11340256#
Dictor M, Elner A, Andersson T, Ferno M. Myofibromatosis-like hemangiopericytoma metastasizing as differentiated vascular smooth-muscle and myosarcoma. Myopericytes as a subset of "myofibroblasts". Am J Surg Pathol. 1992 Dec;16(12):1239-47. PMID: #1463097#