長期生存した多発早期胃癌と併存した肝原発腺扁平上皮癌の1例

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  • A case of adenosquamous cancer originating from the liver coexisted with gastric cancer
  • ショウレイ チョウキ セイゾン シタ タハツ ソウキ イガン ト ヘイソン シタ カン ゲンパツセン ヘンペイ ジョウヒ ガン ノ 1レイ

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Adenosquamous cancer originating from the liver is rare ; it constitutes only 2%-3% of all intrahepatic bile duct cancers. In this study, we report a case of adenosquamous cancer originating from the liver that was coexisted with gastric cancer.<BR>The patient was a 71-year-old male whose chief complaint was upper abdominal pain ; he was diagnosed with early gastric cancer based on upper gastrointestinal endoscopy findings. Furthermore, a space-occupying, 6-cm tumor lesion was found in the S4 region of the liver on abdominal computed tomography (CT). As well, upper gastrointestinal endoscopy revealed three neoplastic lesions in the gastric body, all of which were diagnosed as well-differentiated adenocarcinomas based on biopsy results. Given all of these findings, the patient was diagnosed as having two cancers : early gastric cancer and intrahepatic bile duct cancer. The intrahepatic bile duct cancer was considered to be a prognostic factor and therefore it was resected first before the gastric cancer was treated when there was no postoperative recurrence of the intrahepatic bile duct cancer. A large excision of the hepatic left lobe together with the postcaval veins was done. On histopathology, an adenosquamous cancer was diagnosed.

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