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例1:女,60岁,于1982年12月9日入院。患者于二个月前无明显诱因出现大便次数增多,每日3～4次,为成形便,无脓血,不伴有腹痛,服消化药无效。近20余天,上述症状加重,食欲不振、乏力、体重下降,因疑诊消化道肿瘤前来检查。既往有心房纤颤病史。体检:体温36℃,呼吸16次,脉搏80次,血压130/90mmHg。营养欠佳,消瘦,表情淡漠,皮肤不潮湿,眼征(-),甲状腺不肿大,无血管性杂音,心、肺、腹检查未见异常。实验室检查,血、尿、便常规,大便培养均正常,血清钙、磷、镁定量均在
Example 1: Female, 60 years old, admitted to hospital on December 9, 1982. Patients in two months ago there was no obvious incentive to increase the number of stool, 3 to 4 times a day for the formation of stool, no blood, not accompanied by abdominal pain, taking digestive drugs ineffective. Nearly 20 days, the above symptoms, loss of appetite, fatigue, weight loss, due to suspected gastrointestinal cancer to check. Past history of atrial fibrillation. Physical examination: body temperature 36 ℃, breathing 16 times, pulse 80 times, blood pressure 130 / 90mmHg. Poor nutrition, weight loss, indifferent expression, the skin is not wet, eye sign (-), thyroid enlargement, no vocal murmur, heart, lung, abdominal examination no abnormalities. Laboratory tests, blood, urine, then routine, stool culture were normal, serum calcium, phosphorus, magnesium were