肝脏原发性癌肉瘤是一种非常少见的肝脏恶性肿瘤,到目前为止英文文献中报道还不到20例,有关该肿瘤的名称和发病机制争议仍较大。作者报道了5例肝脏的原发性癌肉瘤,年龄40～68岁,平均55岁,男性4例,女性1例,肿瘤位于肝左叶3例,肝右叶2例,肿瘤大小为6.0～14.0cm,平均10.2cm。所有 Primary liver carcinosarcoma is a rare liver malignancy, so far less than 20 cases reported in the English literature, the name of the tumor and the pathogenesis of the controversy is still large. The authors reported 5 cases of primary liver carcinosarcoma, aged 40 to 68 years, mean 55 years old, 4 males and 1 females. The tumor was located in the left lobe of the liver in 3 cases and in the right lobe in 2 cases. The tumor size was 6.0 ~ 14.0 cm, an average of 10.2 cm. all