Özet:

Insulinoma is a rare neuroendocrine tumor, occurring almost exclusively in the pancreas. Most often unique and benign in 90% of cases. Usually sporadic, 10% of lesions become part of type 1 multiple endocrine neoplasia. The main manifestation of insulinoma is hypoglycemia, which is a life-threatening metabolic emergency. The hypoglycemia occurring in this context are particularly serious and frequent with sometimes harmful cerebral consequences. Topographic diagnosis remains difficult due to the small size of the lesions justifying the importance of the preoperative imaging required for the location of the tumor. Enucleation is the surgical indication of choice in the presence of a sporadic insulinoma that is presumably benign. Pathological and immunohistochemical examination confirms the diagnosis of neuroendocrine tumor. Our observation is particular by the circumstances of discovery of the insulinoma, the severe nature of the symptoms. 

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