Gastric yolk sac tumors are extremely rare and their prognosis is poor; most patients have widespread metastases at the time of diagnosis. The treatment of gastric yolk sac tumors consists of aggressive chemotherapy combined with radiotherapy and surgery. Here, we first report a case of gastric yolk sac tumor presenting as an early gastric cancer that was cured after a gastrectomy with lymphadenectomy.
Biopsy ; Endodermal Sinus Tumor/blood/*pathology/surgery ; Gastrectomy ; Gastroscopy ; Humans ; Immunohistochemistry ; Lymph Node Excision ; Male ; Middle Aged ; Stomach Neoplasms/blood/*pathology/surgery ; Tomography, X-Ray Computed ; Treatment Outcome ; alpha-Fetoproteins/analysis