What are insulinomas?

Updated: May 31, 2020
  • Author: Zonera Ashraf Ali, MBBS; Chief Editor: Neetu Radhakrishnan, MD  more...
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Answer

Insulinomas are the most common cause of hypoglycemia resulting from endogenous hyperinsulinism. Approximately 90-95% of insulinomas are benign, and long-term cure with total resolution of preoperative symptoms is expected after complete resection. [1, 2] See the image below.

CT scan image with oral and intravenous contrast i CT scan image with oral and intravenous contrast in a patient with biochemical evidence of insulinoma. The 3-cm contrast-enhancing neoplasm (arrow) is seen in the tail of the pancreas (P) posterior to the stomach (S) (Yeo, 1993).

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