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肝细胞肝癌在我国是高发的恶性肿瘤之一,其发病率男性居恶性肿瘤第5位,女性居恶性肿瘤第7位,死亡率男性居第2位,女性居第6位[1]。肝细胞肝癌的一个特点是侵犯血管,尤其是门静脉,在进展期肝癌的尸检中>70%门静脉内有瘤栓形成[2]。肝外转移多为血行性,肺是最常累及的器官,头颈部转移性肝细胞肝癌少见[3]。本文收集2010—2014年间头颈部转移性肝细胞肝癌3例,分析其临床资料、病理特征和免疫组化标记,并对其诊断与鉴别诊
Hepatocellular carcinoma is one of the most malignant tumors in our country. The incidence of malignant hepatocellular carcinoma in our country is the fifth in male, the seventh in female, the second in male and the sixth in female [1]. One of the hallmarks of hepatocellular carcinoma is invasion of blood vessels, especially the portal vein, with tumor embolus formation in> 70% of the portal vein in an autopsy of advanced liver cancer [2]. Extrahepatic metastases are mostly hereditary, the lungs are the most commonly involved organs, head and neck metastatic hepatocellular carcinoma is rare [3]. This article collected from 2010 to 2014, head and neck metastatic hepatocellular carcinoma in 3 cases, analysis of clinical data, pathological features and immunohistochemical markers, and its diagnosis and differential diagnosis