Pancreatic neuroendocrine tumor (insulinoma)

Case contributed by Dr Bruno Di Muzio


Fasting hypoglycemia (less than 50 mg / dL).

Patient Data

Age: 75 years
Gender: Male

CT Abdomen and pelvis

There is a hypervascular nodule in the head of the pancreas. Apart from age-related atrophic changes, the pancreas has otherwise normal appearances.

Annotated image

Arterial phase: hypervascular nodule in the head of the pancreas.

Case Discussion

Insulinoma is a tumor that belongs to the group of neuroendocrine tumors of the pancreas, although rare, is the most common among them.

The well-differentiated pancreatic neuroendocrine tumors usually present as hypervascular nodules in the arterial phase examinations (CT and MRI). 

The appearances are highly suggestive for a NET of the pancreas, insulinoma is a presumptive diagnosis based on the clinical history.

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Case information

rID: 21569
Published: 31st Jan 2013
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included