A liver scan uses a radioactive material to help determine how well the liver or spleen is working.
Technetium scan; Liver technetium sulfur colloid scan; Liver-spleen radionuclide scan; Nuclear scan - technetium; Nuclear scan - liver or spleen
How the test is performed
The health care provider will inject a radioactive material called a radioisotope into one of your veins. After the liver has soaked up the material, you will be asked to lie on a table under the scanner.
The scanner can tell where the radioactive material has gathered in the body. Images are displayed on a computer. You may be asked to remain still, or to change positions during the scan.
How to prepare for the test
You must sign a consent form. You will be asked to remove jewelry, dentures, and other metals because they can interfere with the scanner's functions.
You may need to wear a hospital gown.
How the test will feel
You will feel a sharp prick when the needle with the radioactive substance is inserted into your vein. You shouldn’t feel anything during the actual scan. If you have difficulty lying still or are very anxious, you may be given a mild sedative to help you relax.
Why the test is performed
The test can provide information about liver and spleen function. It is also used to help confirm other test results.
Currently, the most common use for a liver scan is to diagnose a condition called benign focal nodular hyperplasia, or FNH.
The liver and spleen should appear normal in size, shape, and location. The radioisotope is absorbed evenly.
What abnormal results mean
What the risks are
There is some concern with radiation from any scan. However, the level of radiation in this procedure is less than that of most x-rays and is not considered significant enough to cause harm to the average person.
Pregnant or nursing women should consult their health care provider before any exposure to radiation, because fetuses and nursing babies are more sensitive to the effects of radiation.
Most often, CT or MRI scans are used to evaluate the liver and spleen instead of a liver scan.
Lidofsky S. Jaundice. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease. 9th ed. Philadelphia, Pa: Saunders Elsevier; 2010:chap 20.
Lomas DJ. The liver. In: Adam A, Dixon A, eds. Grainger and Allison’s Diagnostic Radiology. 5th ed. Philadelphia, Pa: Saunders Elsevier; 2008:chap 35.
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. ©1997-2014 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
Living With Cancer? 10 Healthy Habits to Follow
Living With Cancer? How to Help Others Help You
Are You at Risk for Non-Hodgkin's Lymphoma?
Dealing With Cancer Treatment Weight Loss
How Your Gut Protects You From Disease
Sign Up for Free Newsletters
Ask Your Doctor the RIGHT Questions!
the most from your doctor visit.
Emailed right to you!
The Ask Your Doctor email series
may contain sponsored content.
18+, US residents only please.
Explore Original Articles About...
Get the MOST from QualityHealth
- Top Searches
- 1. Arthritis Management: Nature Heals
- 2. 5 Digestive To-Dos
- 3. Men: Should You Shave It or Leave It?
- 4. Today's Top Fitness Trends
- 5. Sugar and Osteoarthritis : The Link
- 6. Can't Afford Your Hospital Bills?
- 7. Stay Energized All Day Long
- 8. Phobias: Who Has Them and Why?
- 9. What If Your EpiPen Fails?
- 10. 5 Costly Medical Billing Mistakes
- 1. Hotter Temperatures Linked To Kidney Stones
- 2. Summer Bug Bites: What to Look For
- 3. Skin Health Advice with Dr. Kenneth Beer
- 4. Summer Safety Tips That Every Parent Needs To Know
- 5. Sugar and Your Immunity System
- 6. Do Weight Loss Supplements Work?
- 7. 5 Super Foods for Spring
- 8. The Hazards of Reusable Bags
- 9. How to Avoid Ingrown Hairs
- 10. Health Tip: Constantly Change Shoes
- 1. 4 Common Treatments for Epilepsy
- 2. What Does a Urogynecologist Do?
- 3. GERD Without Heartburn? It's Possible
- 4. Graston Technique: Can It Work on You?
- 5. Music Therapy Can Help Autism
- 6. 8 Ways to Fight MS-Related Fatigue
- 7. Can You Still Bleed After Menopause?
- 8. Be Your Own Health Care Advocate
- 9. Why Is Syphillis on the Rise?
- 10. Ideal Weight vs. Happy Weight
The material on the QualityHealth Web site is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a physician or other qualified health provider. See additional information.