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KMID : 0986520100100020099
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Korean Journal of Endoscrine Surgery
2010 Volume.10 No. 2 p.99 ~ p.105
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Clinical Analysis of Insulinoma
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Lee Han-Byoel
Lee Kyu-Eun
Jang Jin-Young
Kim Sun-Whe
Youn Yeo-Kyu
Lee Kuhn-Uk
Oh Seung-Keun
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Abstract
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Purpose: Insulinoma is a rare disease for which early diagnosis followed by proper surgical management provides a chance for cure. Analyses of clinicopathological features of patients can help optimize the surgical approach in the treatment of insulinoma.
Methods: The records of 13 patients (seven male, six female mean age 44.3 years; age range 17∼62 years) who were diagnosed clinically and pathologically with insulinoma and who underwent surgery between March 1997 and April 2007 at the Department of Surgery, Seoul National University Hospital. Hospital in English please were retrospectively examined.
Results: All patients had findings compatible with Whipple’s triad. Mean fasting blood sugar was 40.5 mg/dl, serum insulin level was 33.5?U/ml, and insulin-to-glucose ratio was 0.6. A prolonged starvation test was performed on six patients. Tumors were localized in 10 patients with a computed tomography (CT) scan and in three patients with CT angiography. Five tumors were located in the pancreas head and uncinate process, five in the body, and four at the body-tail border and tail. Patients underwent resection of tumorby enucleation, distal pancreatectomy, pylorus-preserving pancreaticoduodenectomy, laparoscopic distal pancreatectomy, and duodenum-preserving resection of pancreas head. Four immediate postoperative complications (fluid collection, pancreatic fistula, delayed gastric emptying) occurred. No symptoms or recurrences were apparent during the median 15 month follow-up.
Conclusion: Insulinoma is difficult to diagnose correctly without a prolonged duration of symptoms. Localization of insulinoma can be aided by a CT scan and/or CT angiography. Less aggressive operative procedures such as simple enucleation might be a sufficient and feasible procedure for curative resection of benign insulinomas.
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KEYWORD
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Insulinoma, Pancreas, Islet cell tumor, Pancreas neuroendocrine neoplasm
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