患者,男,69岁。凶“消瘦半年”入院。体检检查:躯干皮肤可见少量散在分布的点状皮疹,余末见明显异常。腹平软,无明显压痛及反跳痛,腹部至盆腔可触及一大小约13 cm×12 cm巨大肿块,质稍硬,边界欠清晰,推挤不移动,按压无明显疼痛。CT检查提示下腹部至盆腔见一巨大厚壁囊状占位,边界欠清晰,大小约147 mm×133 mm,内见液体及气体密度 Patient, male, 69 years old. Fierce “wasting six months ” admission. Physical examination: Torso shows a small amount of skin scattered scattered spot-like rash, Yuwei see obvious abnormalities. Abdominal soft, no tenderness and rebound tenderness, the abdomen to the pelvis can reach a size of about 13 cm × 12 cm huge mass, slightly hard quality, the border is not clear, the push does not move, no obvious pain. CT examination revealed a huge thick cyst in the lower abdomen to the pelvis occupying a space of less than 147 mm × 133 mm with a clear boundary of liquid and gas density