Hypoglycemia CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D[2]

Overview

Ultrasound, Computed tomography and MRI can differentiate between insulinoma and islet-cell hypertrophy.

CT

• Hypoglycemia caused by endogenous insulin the differential diagnosis includes insulinoma and islet-cell hypertrophy.
• Ultrasound, Computed tomography and MRI can differentiate between both.
• A negative imaging study does not exclude insulinoma and patient need more tests.
• CT shows hyperattenuating on arterial phase so arterial or pancreatic phase imaging may aid in better detection. Some may show calcification.

CT showing insulinoma, source: Case courtesy of Dr J. Ray Ballinger, Radiopaedia.org, rID: 23627