Cirrhosis - Diagnosis - Imaging

Imaging

Ultrasound is routinely used in the evaluation of cirrhosis, where it may show a small and nodular liver in advanced cirrhosis along with increased echogenicity with irregular appearing areas. Other findings suggestive of cirrhosis in imaging are an enlarged caudate lobe, widening of the liver fissures and enlargement of the spleen. An enlarged spleen (splenomegaly), which normally measures less than 11–12 cm in adults, is very suggestive of cirrhosis with portal hypertension in the right clinical setting. Ultrasound may also screen for hepatocellular carcinoma, portal hypertension and Budd-Chiari syndrome (by assessing flow in the hepatic vein).

A new type of device, the FibroScan (transient elastography), uses elastic waves to determine liver stiffness which theoretically can be converted into a liver score based on the METAVIR scale. The FibroScan produces an ultrasound image of the liver (from 20–80 mm) along with a pressure reading (in kPa). The test is much faster than a biopsy (usually last 2.5–5 minutes) and is completely painless. It shows reasonable correlation with the severity of cirrhosis.

Other tests performed in particular circumstances include abdominal CT and liver/bile duct MRI (MRCP).

Read more about this topic:  Cirrhosis, Diagnosis

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