患者女,63岁。1月前无意中发现下腹部有一肿块,拳头大小,触之感不适,无腹胀及血便,无腹痛、腹泻,无尿频、尿痛、尿急,无阴道出血增多情况,无畏寒发热,无近期体重明显减轻。在当地医院B超检查提示“下腹部膀胱右前方液性包块”,转入我院普外科,以“腹部肿块待查:肠系膜囊肿?”收 Female patient, 63 years old. 1 month ago inadvertently found a lower abdomen mass, fist size, touch the feeling discomfort, no abdominal distension and bloody stool, no abdominal pain, diarrhea, no urinary frequency, dysuria, urgency, no vaginal bleeding increased, no chills fever, no recent Significant weight loss. B-ultrasound in the local hospital prompts “lower abdomen right front of the cystic fluid mass”, transferred to our hospital general surgery, “abdominal mass to be investigated: mesenteric cyst?”