1病例报告患者，男，65岁，农民。因反复发作性饥饿感、心慌、乏力、出冷汗2月余于1996年5月2日人院。人院前2月余来，常无明显诱因出现饥饿感、乏力、出冷汗，进食后即可缓解，约4～5天发作一次，拟诊低血糖症。偶在症状较重时，在村医处静注50％葡萄糖。1周前，患者出现右上 1 case report patient, male, 65 years old, farmer. Due to repeated episodes of hunger, palpitation, fatigue, and cold sweat, I stayed in the hospital on May 2, 1996. In the first 2 months of hospitalization, there was no obvious incentive for hunger, fatigue, and cold sweat. After eating, it was relieved. It took about 4 to 5 days to be diagnosed and hypoglycemia was diagnosed. Even when symptoms are severe, 50% glucose is intravenously injected at the village clinic. One week ago, the patient appeared in the upper right