• Symptoms
    • Diarrhea
    • Excessive thirst (due to high blood sugar)
    • Frequent urination (due to high blood sugar)
    • Increased appetite
    • Inflamed mouth and tongue
    • Nighttime (nocturnal) urination
    • Skin rash on face, abdomen, buttocks, or feet that comes and goes, and moves around
      • May be crusty or scaly
      • May be raised sores (lesions) filled with clear fluid or pus
    • Unintentional weight loss

    Signs and tests

    Signs include:

    • Glucose intolerance
    • High blood sugar (hyperglycemia)

    Most of the time the cancer has already spread to the liver when it is diagnosed.

    Tests may include:

    • CT scan of the abdomen
    • Glucagon level in the blood
    • Glucose level in the blood