Objective: To study the methods for diagnosis andtreatment of insulinoma.Methods: Clinical data from 105 patients with insuli-noma who had been admitted to our hospital from Ju-ly 1966 to December 1999 were retrospectively re-viewed.Results: Fasting blood glucose values were less than2.75 mmol/L in all the patients. Fasting serum insulinvalues in 60 patients were higher than 25 mU/L, av-erage 65 mU/L. Before operation, carcinoma was de-tected in 2 of 45 patients by ultrasound scan, and in10 of 35 by CT. Enucleation of insulinoma was per-formed in 60 patients. Operations included insulinomaresection (35 patients), distal resection of the pancreas(8), and biopsy (2).Conclusion: Whipple’s triad and the index of insulinrelease0.3 are the major variables for diagno-sis Intraoperative exploration and ultrasound scan are themethods for the localization of insulinoma Enucleation ofbenign insulinoma is preferred, but proximal or distal re-sections of the pancreas are required only for large, deep ormultiple
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