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Fatty Liver Disease (Hepatosteatosis): Diagnosis, Causes & More

Hepatic steatosis is an accumulation of fat in the liver. Also called fatty liver, it can develop into two types of liver disease: alcoholic hepatic steatosis (alcoholic fatty liver disease) and nonalcoholic hepatic steatosis (nonalcoholic fatty liver disease).

Liver Metastases (Hepatic Metastases)

Also called secondary liver cancer, liver metastases develop when cancer from another part of the body spreads to the liver. In the US and Europe, secondary liver cancer is 18-40 times more common than primary liver cancer (hepatoma).

Focal Nodular Hyperplasia Liver Lesions

Focal nodular hyperplasia liver lesions are the second most common benign liver lesion. While usually nonthreatening, differentiating focal nodular hyperplasia lesions from other liver tumors can be very difficult.

Hepatic Adenoma Liver Lesions

Hepatic adenomas are benign epithelial liver lesions. Although rare, they run the risk of malignant transformation, spontaneous hemorrhage, and rupture. Hepatic adenoma liver lesions can also be difficult to differentiate from other liver lesions, and can be mistaken for liver cancer.

Hemangioma Liver Lesions

Hemangioma liver lesions are noncancerous, abnormal masses of tangled blood vessels found in the liver. While hemangioma liver lesions themselves do not pose a threat, they do present a diagnostic challenge.

Liver Lesions: Types, Causes, Diagnosis & More

Liver lesions are groups of abnormal cells or tissues. Also referred to as a liver mass or tumor, liver lesions can be either benign or malignant. Benign liver lesions are very common and are generally not a cause for concern. Malignant liver lesions, however, require intervention and treatment.