肝血管瘤是肝脏最常见的良性肿瘤,尸检发现率为0·4%~7·3%,包括海绵状血管瘤、硬化性血管瘤、血管内皮细胞瘤和毛细血管瘤四种类型。临床以海绵状血管瘤最为常见,多为单发,也可多发,约占10%,瘤体生长缓慢,症状轻微,预后良好,迄今尚无恶变的报道,大多数患者只需要定期观察。肝 Hepatic hemangioma is the most common benign liver tumor. The autopsy rate was 0.4% ~ 7.3%, including four types of cavernous hemangioma, sclerosing hemangioma, hemangioendothelioma and capillary hemangioma. Clinical cavernous hemangioma is the most common, mostly single, but also multiple, about 10%, slow tumor growth, mild symptoms, the prognosis is good, so far no malignant changes reported, most patients only need regular observation. liver