Clinicopathological and Prognostic Characteristics of Hepatoid Adenocarcinoma of the Stomach

Author:

Yang Jinlin1,Wang Rui1,Zhang Wenyan2,Zhuang Wen3,Wang Mojin3,Tang Chengwei1

Affiliation:

1. Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu 610041, China

2. Department of Pathology, West China Hospital, Sichuan University, Chengdu 610041, China

3. Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu 610041, China

Abstract

The present study was undertaken to clarify the association of the clinicopathological features of hepatoid adenocarcinoma (HAC) in the stomach, a special kind of carcinoma that histologically resembled hepatocellular carcinoma (HCC) and is characterized by large amounts ofα-fetoprotein (AFP) in serum, with the clinical prognosis. We collected the data of the clinicopathological features and the follow-up information from a total of 31 HACs from January 2005 to December 2012 in our hospital. High lymphatic (54.8%) and distant (25.8%) metastasis rates before surgery, large proportion of advanced HACs (71.0%) at admission, short median overall survival time (6 months), and low three-year survival rate (22.6%) suggested that HAC in the stomach was an aggressive disease, resulting in a poor prognosis. And pTNM stages, immunohistochemical staining of AFP, CEA, CK7, and CK20 had statistically relation with the survival as the independent risk factors,P<0.05. Therefore, early and clear differentiation of HAC from cancerous or noncancerous conditions with AFP elevation and assessment of high risk patients by histopathology may improve the clinical prognosis.

Publisher

Hindawi Limited

Subject

Gastroenterology,Hepatology

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