Friday, February, 10, 2012

Insulinoma

Table of Contents

Alternative Names

Insuloma; Islet cell adenoma


Symptoms
  • 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

Review Date: 10/30/2010
Reviewed By: David C. Dugdale III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by Ari S. Eckman, MD, Chief, Division of Endocrinology, Diabetes and Metabolism, Trinitas Regional Medical Center, Elizabeth, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)