患者,女,40岁。病人于入院前7年无意中发现右外阴部有一拇指大肿物,无何不适,曾数次就诊,均被诊为脂肪瘤、粉瘤,未行治疗后肿物逐渐增大。右下肢常有麻木感,站立时间较长下肢肿胀,排便、排尿时有不适感,来院就诊。查体:右坐骨直肠窝有一突出体表儿拳大肿物,活动度差,无触痛,压迫尿 Patient, female, 40 years old. The patient inadvertently discovered that there was a big thumb mass in the right genital area in 7 years before admission. No matter how unwell, he had been treated several times. All patients were diagnosed as lipoma and aneurysm. The mass was gradually enlarged after treatment. The right lower extremity often has numbness, and the lower extremity is swollen when standing for a long time, and there is discomfort during defecation and urination. Physical examination: The right ischorectal fossa has a prominent body surface, large fist mass, poor activity, no tenderness, oppression of urine