PMC6854996_01
Magnetic resonance imaging T1 early arterial phase with arrow indicating mass.
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fig1
Subsequently, a contrast-enhanced MRI of the abdomen and pelvis was done and revealed a 2.2 x 1.5 cm mass in the pancreatic neck/body, compatible with a neuroendocrine tumor (Figure 1).
Neoplastic cells with positive cytoplasm stain for insulin, indicating an insulinoma.
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fig2
The neoplastic cells had a positive cytoplasmic stain for insulin (Figure 2).