报告1例肌性血管周细胞瘤。患者女,66岁。因右足跟外侧皮下结节6年就诊。皮损组织病理检查:真皮内可见境界清楚的肿瘤团块,团块由实性的细胞区域和大小不等的血管腔隙构成,实性区域的细胞呈圆形或短梭形,胞质嗜酸性,肿瘤细胞围绕血管呈同心圆状分布,形成“洋葱皮”样外观,细胞无明显异形性。免疫组化:钙调蛋白(calponi)、重型钙调蛋白结合蛋白(H-caldesmon)及平滑肌肌动蛋白(SMA)均(+)。诊断:肌性血管周细胞瘤。 One case of muscular perivascular tumor was reported. Female patient, 66 years old. Due to the right heel lateral subcutaneous nodules 6 years treatment. Histopathological examination of the lesions showed that there were clear tumor masses in the dermis. The masses were composed of solid cell areas and vascular cavities with different sizes. The cells in the solid areas were round or short fusiform, Acidic, tumor cells around the blood vessels were concentric distribution, the formation of “onion skin” -like appearance, no significant heterogenous cells. Immunohistochemistry: calponi, H-caldesmon and SMA. Diagnosis: Muscular Perivascular Tumors.