患者男,48岁,右下腹间歇性钝痛1月,无恶心呕吐及腹泻便秘。体检:体温正常,右下腹麦氏点上方触及一肿块,鸡蛋大,质硬,不活动。钡灌肠片:升结肠内缘有一弧状压迹。手术所见:肿块位于近回盲部与后腹膜粘连,阑尾盲肠伸入肿块内,不易分开。行右半结肠切除术。病理:肿块直径3cm,无 The patient was male, 48 years old, with intermittent dull pain in the right lower abdomen for 1 month without nausea, vomiting and diarrhea constipation. Physical examination: The body temperature is normal, and a lump is touched above the Maxwell’s point in the right lower abdomen. The eggs are large, hard and inactive. Barium enema: There is an arc indentation on the inner edge of the ascending colon. Surgical findings: The mass was located near the ileocecal junction with the posterior peritoneum, and the appendix cecum extended into the mass and was not easily separated. Right colon resection. Pathology: mass diameter 3cm, no