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女,26岁。间发性昏迷3年,开始发病时,以食前及清晨易发,同时伴有出汗、心慌、意识丧失,有时口吐白沫抽搐及大小便失禁。曾以癫痫进行治疗无效。每次发作持续时间不定,经注射葡萄糖或进食后症状可好转或消失。入院后查体:一般情况可,神志清。消化道钡剂检查及B 超肝胆检查未发现异常。化验:肝肾功能正常。空腹血糖2.51～4.16mmol/L(45～75mg%)。血清胰岛素值25单位,饥饿诱发试验阳性。入院后第三周在硬膜外麻醉下剖腹探查,术中于胰体上缘近头侧实质内可触及一0.8×0.8cm 结节,
Female, 26 years old. Intermittent coma for 3 years, when the onset of disease, with food before and in the morning and easy to send, accompanied by sweating, palpitation, loss of consciousness, and sometimes mouth spit convulsions and incontinence. Has been treated with epilepsy ineffective. The duration of each episode is variable, and the symptoms can improve or disappear after glucose injection or eating. Physical examination after admission: The general situation can be clear. No abnormalities were found in digestive tract liniment examination and B-ultrasound. Laboratory tests: liver and kidney functions are normal. Fasting blood glucose was 2.51 to 4.16 mmol/L (45 to 75 mg%). Serum insulin was 25 units and the hunger-evoked test was positive. In the third week after admission, laparotomy was performed under epidural anesthesia, and a 0.8×0.8 cm nodule was palpable in the parenchyma near the upper edge of the pancreas.