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胃と腸54巻7号

2019年06月発行

文献概要

今月の主題 A型胃炎—最新の知見 主題

A型胃炎の病理組織学的所見

著者: 海崎泰治1 青柳裕之2 小上瑛也1 原季衣1 林宣明3

所属機関: 1福井県立病院病理診断科 2福井県立病院消化器内科 3小松市民病院消化器内科

ページ範囲:P.963 - P.971

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要旨●A型胃炎の病理組織学的所見を明らかにするため,手術9例および生検・内視鏡的切除28例を検討した.A型胃炎の病理組織像は,胃底腺領域の粘膜深部を中心としたリンパ球,好酸球浸潤による壁細胞の破壊・消失に始まる.主細胞は比較的保たれ,偽幽門腺化生の形態をとる.胃底腺が消失すると真の幽門腺化生,腸上皮化生,膵腺房化生に置き換えられる.内分泌細胞過形成も認められる.一方,腺窩上皮の萎縮は軽度で,終末期まで囊胞状変化や過形成を示すことも多い.幽門腺領域では粘膜の萎縮に乏しいが,粘膜内の線維筋症の所見が認められ,胆汁逆流性胃症の所見を呈することも多い.

参考文献

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掲載誌情報

出版社:株式会社医学書院

電子版ISSN:1882-1219

印刷版ISSN:0536-2180

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