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수술전 경피적경간문정맥도자술로 국소화한 췌장소도세포비후 1 예
김학철,조정구,정영선 대한내과학회 1987 대한내과학회지 Vol.34 No.1
The pancreatic beta islet cell disorders associated with hyperinsulinism include adenoma and carcinoma, which are unifoca1; and adenomatosis, hyperplasia and nesidioblastosis, which may involve the entire pancrease either focally or diffusely. Methods of preoperative localization of pancreatic islet cell tumors include highly selective arteriography, percutaneous transhepatic portal venous sampling at several sites with radiolimmunoassay of portal venous plasma insulin, computerized tomography, and ultra- sound. A 42-year-old woman with clinical features of fasting hypoglycemia had inappropriately elevated I/G ratio during a prolonged fast. Abdominal CT scan, and angiography failed to demonsrtrated the lesion and resection of 85% of the distal pancrease revealed no evidence of a tumor, but transhepatic portal vein catheterization with radioimmunoassay of regionally sampled portal vein insulin level suggessted the lesion with localized step-up in insulin levels occurred at the tail and body of the pancrease. Pathologic examination of the resected pancrease revealed the findings of focal islet hyperplasia. We believed if the CT, ultrasound and arteriogram failed to visualized the lesion in patient with hyperinsulinism, one should proceed with transhepatic portal vein catheterization.