皮样囊肿是外胚层起源的先天性良性错构瘤。可发生在身体许多部位,如皮下、软组织。肿物多单发,直径一般1~4 cm,极少恶变。骨盆直肠间隙皮样囊肿罕见,国内报道少于10例,国外亦少见报道。治疗多行开腹手术,创伤较大。本文报道2例女性病人,肿块最大径均为8 cm,分别行腹腔镜和开腹肿块切除。术后病理检查为皮样囊肿。

Dermoid cyst is congenital benign hamartoma with ectodermal origin and occurs in many parts of the body such as subcutaneous and soft tissue. Most dermoid cysts are solitary and diameter 1 to 4 cm. Very few dermoid cysts become malignant and locate at rectopelvic space rarely. There were less than 10 cases of pelvic dermoid cysts reported in China and less in other countries. Laparotomy was often performed for the pelvic mass with large injuries. Two female cases with mass diameter more than 8 cm resected by laparoscopic and open surgery respectively were reported in this article and postoperative pathological examination suggested as dermoid cyst.