Abstract
Objective To study the clinicopathological features and prognosis of Gastric hepatoid adenocarcinoma (GHA) and aims to guide future clinical practice. Method We retrospectively studied the clinical data of 25 patients with pathologically confirmed GHA who were admitted to our hospital from January 2003 to December 2015. Results There were 19 males and 6 females. The average age was 61.2 years. The clinical manifestations were non-specific. Pathologically, majority of GHA presented with ulcerative type, poor differentiation and extensive vascular cancerous embolus. Preoperative liver metastases were found in 12 patients, and postoperative liver metastases in 15 patients. Conclusions GHA is a special primary gastric adenocarcinoma which possesses both hepatocellular carcinoma-like and adenocarcinoma-like histology. GHA is characterized by a significantly elevated serum AFP and early hepatic metastasis. GHA is therefore often misdiagnosed as primary hepatocellular carcinoma. The main treatment option remains to be surgical resection, and the prognosis is poor. Key words: Gastric hepatoid adenocarcinoma; Primary hepatocarcinoma; Differential diagnosis; Treatment; Prognosis
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