下肢肌周细胞瘤一例

Myopericytoma of the leg:a case report

患者,女,33岁。因右小腿皮肤丘疹30余年,伴红肿疼痛3个月。予以手术切除,术后病理示:瘤细胞以多层同心圆型围绕薄壁血管周围生长,部分可见血管管腔闭塞。免疫组化示:ERG(血管+),CD34(血管+),CD31(血管+),SMA(+),Desmin(-),H-caldesmon(+)。结合形态学及免疫组化考虑肌周细胞瘤。予以手术扩大切除后植皮。

A 33-year-old female presented with skin papules on her right calf for more than 30 years,accompanied by redness,swelling and pain for 3 months.Surgical excision was performed.Postoperative pathology showed that the tumor cells grew around the thin-walled vessels in a multi-layer concentric circle,and partial vascular lumen occlusion was visible.Immunohistochemistry showed ERG(vascular+),CD34(vascular+),CD31(vascular+),SMA(+),Desmin(-),H-Caldesmon(+).Myopericytoma was considered in combination with morphology and immunohistochemistry.Extensive excision was performed and skin grafts were performed.