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World J Surg. 1998 Jul;22(7):666-71; discussion 671-2.

Reoperative surgery for organic hyperinsulinism: indications and operative strategy.

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Department of Surgery, Heinrich Heine University, Moorenstrasse 5, D-40225 Düsseldorf, Germany.


Organic hyperinsulinism has a good chance of cure by operation, although patients with diffuse or multiple disease run a high risk of recurrence or persistence of disease. Surgical management and outcome in these patients are presented and discussed. Between 1986 and April 1997 a total of 62 patients were operated on for organic hyperinsulinism [solitary 48, multiple 3, multiple endocrine neoplasia type I (MEN-I) 2, diffuse 4, malignant 5]. Persistence or recurrence occurred in 10 patients (16%). Among the six that persisted, four were malignant and two benign. All four of those that recurred were benign. Patients with benign disease presented with multiple tumors (n = 3), MEN-I syndrome (n = 1), and diffuse/nodular hyperplasia (n = 2). The duration between diagnosis and reintervention ranged from 1 to 10 years. Preoperative diagnosis was able to localize tumors in three patients (computed tomography 1, angiography 2, calcium stimulation 1). Operative procedures were multiple enucleations in two patients with sporadic disease, subtotal resection plus enucleation in the case of MEN-I syndrome, subtotal resection for diffuse hyperplasia, left resection for adenomatosis, and tumor extirpation after multiple previous operations. Long-term clinical and biochemical cure was achieved in five of six patients (mean follow-up 5 years). Octreotide therapy shows good symptomatic control in the patient with operative failure. Reintervention for organic hyperinsulinism is successful (80% cure) and requires preoperative imaging and individual surgical management.

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