软组织，血管外皮瘤，讨论病例【91360，软组织616】

刘伟

一公里生命
第三例
Glomangiopericytoma: spindle cell proliferation with overlying respiratory type mucosa, “Staghorn” vessels, extravasated red blood cells.  Previously a variant of soft tissue hemangiopericytoma; however has a myoid phenotype (SMA+). Nuclear beta-catenin+.