*1.3.1.2 Abdominal ultrasound with a Doppler option and elastography*

Ultrasound is inexpensive and is a noninvasive test. It allows assessment of the level of steatosis, symptoms of portal hypertension, and cirrhotic transformation of the liver. However, normal imaging of the liver does not exclude the ongoing process of fibrosis.

FibroScan is an effective and noninvasive tool to quantify fibrosis and steatosis in the liver diseases including cystic fibrosis. The stiffness of the liver tissue can be assessed based on shear wave velocity (the stiffness increases with the speed).
