肝囊腺癌是一类发生在肝脏的少见的恶性肿瘤，常被认为是由肝内囊腺瘤恶变引起。为了提高临床诊治水平，我科１９９８年２月２４日收治１例报告如下。患者男性，３０岁，于单位体检时，行腹部Ｂ超检查发现“肝右叶可探及一８．７ｃｍ×７．８ｃｍ大小的实性占位，”后行腹... Hepatic cystadenocarcinoma is a type of rare malignant tumor that occurs in the liver and is often thought to be caused by the malignant transformation of intrahepatic cystadenoma. In order to improve the level of clinical diagnosis and treatment, one case of our department was admitted on February 24, 1998 as follows. The patient was a man, 30 years old, who underwent abdominal B-ultrasound examination at the time of his physical examination. He found that “the right lobe of the liver can detect a solid mass with a size of 8.7cm x 7.8cm.”