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KMID : 0931320130130020114
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대한상부위장관.헬리코박터학회지
2013 Volume.13 No. 2 p.114 ~ p.118
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A Case of Gastric Undifferentiated Carcinoma with Focal Yolk Sac Tumor and Hepatoid Carcinoma Differentiation
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Park Dae-Hwa
Moon Hee-Seok
Tak Dae-Hyun
Kim Seok-Hyun
Sung Jae-Kyu
Jeong Hyun-Yong
Song Kyu-Sang
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Abstract
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We report herein a case of gastric undifferentiated carcinoma with focal yolk sac tumor and hepatoid carcinoma differentiation. A 57-year-old man was referred after a gastroscopy for anemia evaluation. Gastroscopy revealed an approximately 3 cm ulcerofungating mass occupying the greater curvature of stomach body. Biopsy results revealed a poorly differentiated adenocarcinoma. Left gastric lymph node was enlarged, but there were no evidence of distant metastasis on the abdominal CT. He underwent a radical subtotal gastrectomy and gastroduodenostomy with dissection of the enlarged lymph nodes. Postsurgical histological examination revealed an undifferentiated carcinoma with focal yolk sac tumor and hepatoid carcinoma differentiation. Immunohistochemical staining revealed that the tumor cells were focal positive for AFP, anti-hepatocyte antibody.
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KEYWORD
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Gastric undifferentiated carcinoma, Yolk sac tumor, Hepatoid carcinoma
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