缺血性结肠炎伴乙状结肠癌２例报告描述二例远端梗阻性肠癌伴缺血性结肠炎，当钡剂灌肠显示有一段结肠缺血表现时，应考虑合并远端肿瘤可能。病例１，６３岁，男性，门诊病人，诉三个月来大便习惯改变和便血。无其他不适，未服药物，体检无异常，乙状结肠镜检正常。申请钡... Ischemic colitis with sigmoid colon cancer Two cases report two cases of distal obstructive bowel cancer with ischemic colitis. When the barium enema shows a period of colonic ischemia, it should be considered with the possibility of distal tumor. Case 1, 63 years old, male, outpatient, complained of bowel habit changes and blood in the stool for three months. No other discomfort, no medication, no abnormal physical examination, and normal sigmoidoscopy. Apply...