患者陈××,男,28岁,因左腰部胀痛2年余于1992年7月入院,无发热、血尿及尿路刺激症状。查体:一般情况好,左肋下至髂脊上4cm处可扪及一囊性包块,边界欠清,不随呼吸移动,无压痛。1977年因左下腹包块于他院手术发现包块为“囊肿”,囊液黄绿色,因“情况复杂”未行切除,术后10天切 Patients Chen × ×, male, 28 years old, more than 2 years of left lumbar pain was admitted in July 1992, no fever, hematuria and urinary tract irritation. Physical examination: the general situation is good, from the left rib to the iliac crest 4cm palpable cystic mass, the border is not clear, do not move with the breath, no tenderness. In 1977 due to the left lower quadrant mass in his hospital found that mass was “cyst” cyst fluid yellow-green, due to “complicated” without resection, 10 days after the cut