• Alternative Names

    Insuloma; Islet cell adenoma

    • Anxiety
    • Behavior changes
    • Clouded vision
    • Confusion
    • Convulsions
    • Dizziness
    • Headache
    • Hunger
    • Loss of consciousness
    • Rapid heart rate
    • Sweating
    • Tremor
    • Weight gain

    Signs and tests

    After fasting, your blood may be tested for:

    • Blood C-peptide level
    • Blood glucose level
    • Blood insulin level
    • Drugs that cause the pancreas to release insulin

    CT or MRI scan of the abdomen may be done to look for a tumor in the pancreas. If the test is negative, one of the following tests may be performed:

    • Endoscopic ultrasound
    • Octreotide scan
    • Pancreatic arteriography
    • Pancreatic venous sampling for insulin