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Inverted gastric adenocarcinoma of fundic gland mucosa type colliding with well differentiated adenocarcinoma: A case report

https://asahikawa-med.repo.nii.ac.jp/records/5911
https://asahikawa-med.repo.nii.ac.jp/records/5911
7bad4916-2a34-407e-9af7-2f6debe56865
名前 / ファイル ライセンス アクション
7022.pdf 7022.pdf (1.0 MB)
Item type 学術雑誌論文 / Journal Article_02(1)
公開日 2018-06-28
タイトル
タイトル Inverted gastric adenocarcinoma of fundic gland mucosa type colliding with well differentiated adenocarcinoma: A case report
言語
言語 eng
資源タイプ
資源タイプ journal article
著者 高橋, 慶太郎

× 高橋, 慶太郎

高橋, 慶太郎

ja-Kana タカハシ, ケイタロウ

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藤谷, 幹浩

× 藤谷, 幹浩

藤谷, 幹浩

ja-Kana フジヤ, ミキヒロ

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市原, 真

× 市原, 真

市原, 真

ja-Kana イチハラ, シン

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盛一, 健太郎

× 盛一, 健太郎

盛一, 健太郎

ja-Kana モリイチ, ケンタロウ

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奥村, 利勝

× 奥村, 利勝

奥村, 利勝

ja-Kana オクムラ, トシカツ

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著者 ローマ字
Takahashi, Keitaro
著者 ローマ字
Fujiya, Mikihiro
著者 ローマ字
Ichihara, Shin
著者 ローマ字
Moriichi, Kentaro
著者 ローマ字
Okumura, Toshikatsu
書誌情報 Medicine

巻 96, 号 23, p. e7080, 発行日 2017-06-01
ISSN
収録物識別子タイプ ISSN
収録物識別子 0025-7974
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 10.1097/MD.0000000000007080
識別番号 その他
内容記述タイプ Other
内容記述 PMID:28591047
抄録
内容記述タイプ Abstract
内容記述 RATIONALE:
\nGastric adenocarcinoma of fundic gland mucosa type (GA-FGM) is a rare tumor composed of atypical cells with differentiation toward the fundic gland as well as the foveolar epithelium. Including our case, only 9 cases of GA-FGMs were reported from 2010 to 2016.
CONCERNS OF THE PATIENT:
\nAn 87-year-old man was referred to our institution for endoscopic resection of a gastric lesion. The tumor was classified as type 0-I + IIa according to the Paris classification. Magnifying endoscopy with narrow band imaging (ME-NBI) revealed different structures of crypts and vessels among the components, illustrating the collision of 2 types of gastric cancer.
INTERVENTIONS:
\nWe performed endoscopic submucosal dissection and successfully removed the tumor en bloc.
OUTCOMES:
\nThe histological findings differed markedly between the 0-I lesion and the 0-IIa lesion. The superficial part of the 0-I lesion consisted of a papillary structure, and the deeper part consisted of a tubular structure that showed inverted downward growth to the submucosal layer with the lamina muscularis mucosae. Immunohistochemically, the superficial part of the 0-I lesion was positive for MUC5AC, which had differentiated to foveolar epithelium. The deeper part was positive for pepsinogen-I and MUC6, which had differentiated to fundic gland. The 0-I lesion was diagnosed as gastric phenotype of adenocarcinoma differentiated to fundic gland mucosa with upward growth in the superficial part and downward growth in the deeper part. The 0-IIa lesion was composed of a tubular structure positive for MUC2, and it was diagnosed as an intestinal phenotype of well differentiated adenocarcinoma. The boundary was clear, and no transitional tissue was observed between the 0-I and 0-IIa lesions, suggesting that the 0-I + IIa lesion was a gastric collision tumor of GA-FGM and well differentiated adenocarcinoma.
LESSONS:
\nWe herein report the first case of inverted GA-FGM colliding with well differentiated adenocarcinoma. ME-NBI can be used to diagnose GA-FGM even if the lesion collides with other types of adenocarcinoma.
注記
内容記述タイプ Other
注記 This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY)
資源タイプ
内容記述タイプ Other
資源タイプ text
著者版フラグ
出版タイプ VoR
フォーマット
内容記述タイプ Other
内容記述 application/pdf
ID(XooNIps)
28591047
閲覧数(XooNIps)
ダウンロード数(XooNIps)
193
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