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  1. 学内発行雑誌
  2. The Showa University journal of medical sciences
  3. Vol.28(2016)
  4. No.2

Magnifying Colonoscopy Findings for Differential Diagnosis of Sessile Serrated Adenoma/Polyps and Hyperplastic Polyps

https://showa.repo.nii.ac.jp/records/551
https://showa.repo.nii.ac.jp/records/551
c29bdbec-5a5b-4145-8699-38ca1c639d2f
名前 / ファイル ライセンス アクション
S28_147.pdf S28_147.pdf (160.6 kB)
Item type 学内発行雑誌 / Departmental Bulletin Paper(1)
公開日 2017-02-15
タイトル
タイトル Magnifying Colonoscopy Findings for Differential Diagnosis of Sessile Serrated Adenoma/Polyps and Hyperplastic Polyps
言語
言語 eng
資源タイプ
資源タイプ departmental bulletin paper
著者 KIHARA, Toshihiro

× KIHARA, Toshihiro

KIHARA, Toshihiro

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KUBOTA, Yutaro

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KUBOTA, Yutaro

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KONISHI, Kazuo

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KONISHI, Kazuo

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KATAGIRI, Atsushi

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KATAGIRI, Atsushi

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MURAMOTO, Takashi

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MURAMOTO, Takashi

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YANO, Yuichiro

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YANO, Yuichiro

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TOJO, Masayuki

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TOJO, Masayuki

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SHINMURA, Kensuke

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SHINMURA, Kensuke

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KONDA, Kenichi

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KONDA, Kenichi

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TAGAWA, Teppei

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TAGAWA, Teppei

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YANAGISAWA, Fumito

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YANAGISAWA, Fumito

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IIJIMA, Kentaro

× IIJIMA, Kentaro

IIJIMA, Kentaro

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GOCHO, Toshihiko

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GOCHO, Toshihiko

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YAMAMURA, Fuyuhiko

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YAMAMURA, Fuyuhiko

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YAMOCHI, Toshiko

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YAMOCHI, Toshiko

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TAKIMOTO, Masafumi

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TAKIMOTO, Masafumi

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YOSHIDA, Hitoshi

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YOSHIDA, Hitoshi

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書誌情報 The Showa University journal of medical sciences

巻 28, 号 2, p. 147-154, 発行日 2016-06
抄録
内容記述タイプ Abstract
内容記述 Sessile serrated adenoma/polyps (SSA/Ps) are thought to be precursors of colorectal cancers. However, current endoscopic techniques for differentiating SSA/Ps from conventional hyperplastic polyps (HPs) have low diagnostic accuracy. The aim of the present study was to assess the ability of mucosal crypt patterns to distinguish SSA/Ps from HPs. We examined 140 lesions from 93 patients that had been diagnosed histologically as SSA/Ps or HPs at the Showa University Hospital between June 2010 and May 2012. Three experienced colonoscopists reviewed the endoscopic findings of magnifying colonoscopy. Type II open-shape (Type II-O) pit patterns and varicose microvascular vessels (VMVs) were identified according to previously proposed definitions. Although 140 lesions were initially identified for the study, 27 lesions were excluded from analysis because of insufficient endoscopic findings. Thus, endoscopic findings from a total of 113 lesions (68 SSA/Ps and 45 HPs) were evaluated. Of 113 serrated polyps, 51 lesions (44 SSA/Ps and 7 HPs; P<0.01) had Type II-O pit patterns. The inter- and intra-observer agreement for these patterns among three colonoscopists was κ=0.61 (range 0.57–0.65) and κ=0.68 (range 0.52–0.94), respectively. The positive predictive value (PPV), negative predictive value (NPV), sensitivity, and specificity of Type II-O pit patterns for differentiating between SSA/P and HP were 86%, 61%, 65%, and 84%, respectively. In contrast, the PPV, NPV, sensitivity, and specificity of VMVs were 68%, 43%, 37%, and 73%, respectively. The results indicate that Type II-O mucosal crypt patterns may be useful for the differential diagnosis of SSAPs and HPs.
DOI
関連識別子 10.15369/sujms.28.147
出版者
出版者 Showa University Society
ISSN
収録物識別子 0915-6380
出版タイプ
出版タイプ VoR
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