A hypodense liver mass can be anything from a lesion to a benign cyst in the liver that appears on a non-contrast CT scan, says Radiopaedia. For a full diagnosis, doctors must order intravenous contrast CT scan to differentiate the lesions or growths, advices HealthTap.
A liver mass can be due to any of several reasons; often these are nonmalignant, according to HealthTap. It is hard to define these lesions or growth without contrast. When IV contrast is necessary or radiological tests are inconclusive, hemangioma protocol or liver triphasic study is recommended, explains Weill.Cornell. This method entails liver imaging to detect and diagnose lesions, small tumors and hepatic masses that are otherwise hard to discern on CT.