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临床资料 男3例,女2例,年龄12～35岁。症状:腹痛1例,腹胀2例,5例均无倦怠、饥饿感,头晕、心悸、冷汗、双视及意识障碍等情况。均无糖尿病史。体征:上腹均可扪及包块,约4cm×6cm～10cm×15cm范围内,质硬,界限尚清楚。血糖3.5～7.1mmol/L之间,尿糖均为阴性。血、尿淀粉酶均在正常范围,CT、B超均显示包块所在。手术见包块位于胰头及十二指肠下方1例,小网膜囊内1例,胆总管右侧、十二指肠上方1例,脾门1例,屈氏韧带左侧1例。病理报告:异位非功能性胰岛细胞瘤,其中1例有多灶性浸润,1例血管疑有浸润,
Clinical data 3 males and 2 females, aged 12 to 35 years old. Symptoms: 1 case of abdominal pain, 2 cases of abdominal distention, and 5 cases of no fatigue, hunger, dizziness, palpitations, cold sweat, double vision, and disturbance of consciousness. No history of diabetes. Signs: The upper abdomen can be palpable and mass, about 4cm × 6cm ~ 10cm × 15cm range, hard, the boundaries are still clear. Between 3.5 and 7.1 mmol/L of blood glucose, urine sugars were negative. Blood and urine amylase were in the normal range, and CT and B ultrasonography showed the mass. The operation showed that the mass was located in the pancreatic head and duodenum in 1 case, in the small omental sac in 1 case, in the right side of the common bile duct, in 1 case in the duodenum, in 1 case in the spleen and 1 in the left side of the flexor ligament. Pathology report: Ectopic non-functioning islet cell tumors, of which 1 case had multifocal infiltration and 1 case of suspected infiltration of blood vessels.