相对肝脏恶性肿瘤而言 ,肝脏良性肿瘤较少见 ,其中以肝细胞腺瘤、瘤样增生和海绵状血管瘤多见。虽然从病理发生学来看 ,肝血管瘤并非是真性实体肿瘤 ,但临床上仍将其归为肝脏良性肿瘤。由于肝良性肿瘤常无症状 ,病人也多无基础肝病 ,故多数发现较晚 ,不少病人因发现右上腹肿块 Relative to liver malignancy, benign liver tumors are rare, including hepatocellular adenoma, tumor-like hyperplasia and cavernous hemangioma more common. Although from the pathological point of view, hepatic hemangioma is not a true solid tumor, but still clinically classified as benign liver tumors. As liver benign tumors are often asymptomatic, the patients also have no underlying liver disease, so most found late, many patients because of the discovery of the right upper quadrant mass