[Etiology and clinical manifestations of hepatic space-occupying lesions]

Hepatic space-occupying lesions refer to the lesions which are located in the abnormal echo area or density area of the liver parenchyma, have the appearance of nodule or mass, occupy a certain space, and may cause pressure, displacement, or invasion of adjacent liver tissue and vessels, as determined by imaging examination. Hepatic space-occupying lesions have various causes, as well as similarities and differences in clinical manifestations. An understanding of the etiology and clinical manifestations of hepatic space-occupying lesions helps with their diagnosis and differential diagnosis and the development of targeted therapeutic regimens to improve prognosis. This article introduces related issues, in order to help clinical physicians to expand their thoughts in diagnosis and treatment.