Hepatoid adenocarcinoma of the stomach is a rare type of gastric cancer. Compared to the common gastric adenocarcinoma, the tumor markers, imaging manifestation, histopathological features, immunophenotype, treatment and prognosis of HAS are distinct. It has characteristics of gastric adenocarcinoma and hepatocellular carcinoma at the same time, which leads to the misdiagnosis and missed diagnosis. The purpose of this paper is to analysis the characteristics of HAS from the above aspects, improve the diagnosis rate, reduce mortality rate and prolong the survival period of HAS patients.
胃肝样腺癌(HAS)是胃癌的一种罕见亚型，与普通胃腺癌比较，HAS在肿瘤标志物、影像学表现、组织病理特征、免疫表型、治疗和预后等方面有独特的特征。HAS同时存在胃腺癌和肝细胞癌特征，常出现误诊和漏诊。了解HAS的临床和病理特征，有助于提高诊断率、降低死亡率，延长患者的生存时间。.
Keywords: Clinicopathological characteristics; Prognosis; Stomach neoplasms.