FibroScan is a widely used, non-invasive test that helps doctors assess liver stiffness (a marker of scarring) and estimating the amount of fat (steatosis) in the liver. It often reduces the need for biopsy, but biopsy may still be needed in some situations.
While FibroScan is considered safe and painless, many patients still wonder whether it is suitable for everyone. Understanding its safety, limitations, and eligibility can help you feel more confident before undergoing the test.
What Is FibroScan and How Does It Work?
FibroScan, also known as transient elastography, uses ultrasound-based technology to measure how stiff the liver tissue is. Increased stiffness often indicates liver scarring or fibrosis.
You may be asked not to eat for a few hours before the test. During the test, a small probe sends painless vibrations through the liver, and the device calculates results within minutes. The procedure does not require needles, sedation, or incisions.
Most patients can resume normal activities immediately after the scan. Because it is quick and non-invasive, FibroScan is commonly used to monitor chronic liver disease over time.
Is FibroScan Generally Safe?
FibroScan is considered safe for the majority of people. It uses ultrasound and a gentle vibration; it’s not known to damage tissue and doesn’t use radiation. The vibrations used during the scan are mild and well-tolerated. FibroScan does not carry the risks associated with liver biopsy, such as bleeding or infection.
Doctors often recommend FibroScan for patients with hepatitis B or C, non-alcoholic fatty liver disease (NAFLD), alcoholic liver disease, or unexplained abnormal liver blood tests (liver enzymes). Its strong safety profile makes it suitable for repeated use when monitoring disease progression.
Who Can Safely Undergo a FibroScan?
Most adults can safely undergo a FibroScan without any complications. It is especially helpful for people who need regular liver monitoring but want to avoid invasive procedures. Patients with chronic liver conditions, metabolic disorders, or a history of alcohol-related liver issues are common candidates.
FibroScan is also safe for older people and people with other medical conditions, as long as the test area is accessible and clear ultrasound readings can be obtained. Most people can have the test. If images can’t be obtained (body habitus, ascites, narrow rib spaces), your clinician may recommend another non-invasive test.
When FibroScan Might Not Be Suitable?
Although FibroScan is safe, it may not be appropriate or accurate for everyone. Certain situations can limit its effectiveness rather than its safety.
Pregnancy
If you are pregnant, tell your clinician. Depending on local policy and the device guidelines, the test may be performed with extra caution or an alternative may be chosen.
Obesity or Ascites
In people with moderate to large ascites, FibroScan may not be possible or may fail to get reliable readings. Your clinician may use other tests instead. In obesity, readings can be harder to obtain, but many centers use an XL probe to improve accuracy and success.
Patients With Implanted Medical Devices
If you have a pacemaker/ICD or other implanted electronic device, inform your clinician. Your team will
confirm whether FibroScan is appropriate based on your device and local safety guidance.
Acute Liver Inflammation
If you have active liver inflammation, infection, or congestion, FibroScan results may temporarily appear worse than your actual liver condition. Liver stiffness can be temporarily higher with acute inflammation, bile duct blockage (cholestasis), fluid overload/heart failure-related congestion, and soon after eating.
Doctors may delay the test until the inflammation subsides.
Should You Talk to a Doctor Before a FibroScan?
It is always important to discuss your medical history with your healthcare provider before undergoing FibroScan. Your doctor can determine whether the test is appropriate for you or if another diagnostic option may provide more reliable information.
In Summary
FibroScan is a safe, non-invasive, and effective tool for evaluating liver health in most people. While it is not suitable for every individual, especially in cases of pregnancy, severe obesity, or fluid accumulation, it remains a trusted option for many patients.
To learn more and to verify whether you are the right candidate for a FibroScan, consult with the medical team at the Gastroenterology Diagnostic Center. Call us at (281) 357-1977 to schedule a consultation or ask whether FibroScan is appropriate for you.