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  1. 学内発行雑誌
  2. The Showa University journal of medical sciences
  3. Vol.24(2012)
  4. No.4

Clinicopathologtcal Study of Serrated Polyps of the Colorectum, with Special Reference to Maspin Expression

https://showa.repo.nii.ac.jp/records/663
https://showa.repo.nii.ac.jp/records/663
dafbddc1-d014-4ce9-869f-acbc8af8e6d2
名前 / ファイル ライセンス アクション
S24_285.pdf S24_285.pdf (370.6 kB)
Item type 学内発行雑誌 / Departmental Bulletin Paper(1)
公開日 2016-11-24
タイトル
タイトル Clinicopathologtcal Study of Serrated Polyps of the Colorectum, with Special Reference to Maspin Expression
言語
言語 eng
資源タイプ
資源タイプ departmental bulletin paper
著者 OCHIAI, Yasuo

× OCHIAI, Yasuo

OCHIAI, Yasuo

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OHIKE, Nobuyuki

× OHIKE, Nobuyuki

OHIKE, Nobuyuki

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ASONUMA, Kunio

× ASONUMA, Kunio

ASONUMA, Kunio

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TSUKUDA, Genki

× TSUKUDA, Genki

TSUKUDA, Genki

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WADA, Yusuke

× WADA, Yusuke

WADA, Yusuke

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HIRABAYASHI, Koudai

× HIRABAYASHI, Koudai

HIRABAYASHI, Koudai

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KAWAMURA, Yojiro

× KAWAMURA, Yojiro

KAWAMURA, Yojiro

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ISOZAKI, Masayuki

× ISOZAKI, Masayuki

ISOZAKI, Masayuki

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MOROHOSHI, Toshio

× MOROHOSHI, Toshio

MOROHOSHI, Toshio

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書誌情報 The Showa University journal of medical sciences

巻 24, 号 4, p. 285-292, 発行日 2012-12
抄録
内容記述タイプ Abstract
内容記述 Aims: We compared the clinicopathologic features of three types of colorectal serrated polyps, namely, hyperplastic polyps (HPs), sessile serrated adenomas/polyps (SSA/Ps), and traditional serrated adenomas (TSAs), and analyzed the expression pattern of maspin in these serrated lesions. We retrospectively examined 173 polypoid lesions that were endoscopically excised from 136 patients and diagnosed as hyperplastic or adenomatous serrated lesions, and histologically classified as HPs, SSA/Ps, or TSAs. Maspin expression was immunohistochemically examined in all lesions. Overall, 59 lesions (34%) were classified as HPs, 70 (40%) as SSA/Ps and 44 (25%) as TSAs. There were no significant differences in mean age or gender of patients between types, but SSA/Ps frequently developed on the right colon and showed a superficial/flat elevation, whereas HPs and TSAs frequently developed on the left colon and showed protruded lesions. The average diameters of HPs, SSA/Ps, and TSAs were 7.2, 9.9, and 12.9mm, respectively, showing significant differences. Diffuse cytoplasmic expression of maspin was observed in the serrated glands of all three types. In addition, focal or diffuse intranuclear localization of maspin was observed in 15% of HPs, 13% of SSA/Ps, and 84% of TSAs, showing significant differences between TSAs and the other two types. The three types of serrated polyp examined in this study showed distinct clinicopathological features. The presence of maspin expression in these polyps, regardless of whether they were hyperplastic or neoplastic, indicates that maspin might be commonly associated with cell proliferation, although the underlying mechanism might be different between types.
DOI
関連識別子 10.15369/sujms.24.285
出版者
出版者 Showa Medical Association and Showa University
ISSN
収録物識別子 0915-6380
出版タイプ
出版タイプ VoR
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