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  1. 原著論文

Dosimetric feasibility of computed tomography-based image-guided brachytherapy in locally advanced cervical cancer: a Japanese prospective multi-institutional study

https://repo.qst.go.jp/records/81794
https://repo.qst.go.jp/records/81794
55762338-549d-41e5-aefe-cc7d5b3724e1
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-02-08
タイトル
タイトル Dosimetric feasibility of computed tomography-based image-guided brachytherapy in locally advanced cervical cancer: a Japanese prospective multi-institutional study
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 Otani, Yuki

× Otani, Yuki

WEKO 1010489

Otani, Yuki

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Tatsuya, Ohno

× Tatsuya, Ohno

WEKO 1010490

Tatsuya, Ohno

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Ken, Ando

× Ken, Ando

WEKO 1010491

Ken, Ando

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Kazutoshi, Murata

× Kazutoshi, Murata

WEKO 1010492

Kazutoshi, Murata

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Shingo, Kato

× Shingo, Kato

WEKO 1010493

Shingo, Kato

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Shin-ei, Noda

× Shin-ei, Noda

WEKO 1010494

Shin-ei, Noda

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Murofushi, Keiko

× Murofushi, Keiko

WEKO 1010495

Murofushi, Keiko

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Ushijima, Hiroki

× Ushijima, Hiroki

WEKO 1010496

Ushijima, Hiroki

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Daisaku, Yoshida

× Daisaku, Yoshida

WEKO 1010497

Daisaku, Yoshida

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Noriyuki, Okonogi

× Noriyuki, Okonogi

WEKO 1010498

Noriyuki, Okonogi

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Isohashi, Fumiaki

× Isohashi, Fumiaki

WEKO 1010499

Isohashi, Fumiaki

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Masaru, Wakatsuki

× Masaru, Wakatsuki

WEKO 1010500

Masaru, Wakatsuki

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Takashi, Nakano

× Takashi, Nakano

WEKO 1010501

Takashi, Nakano

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Tatsuya, Ohno

× Tatsuya, Ohno

WEKO 1010502

en Tatsuya, Ohno

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Ken, Ando

× Ken, Ando

WEKO 1010503

en Ken, Ando

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Kazutoshi, Murata

× Kazutoshi, Murata

WEKO 1010504

en Kazutoshi, Murata

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Shingo, Kato

× Shingo, Kato

WEKO 1010505

en Shingo, Kato

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Daisaku, Yoshida

× Daisaku, Yoshida

WEKO 1010506

en Daisaku, Yoshida

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Noriyuki, Okonogi

× Noriyuki, Okonogi

WEKO 1010507

en Noriyuki, Okonogi

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Masaru, Wakatsuki

× Masaru, Wakatsuki

WEKO 1010508

en Masaru, Wakatsuki

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Takashi, Nakano

× Takashi, Nakano

WEKO 1010509

en Takashi, Nakano

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抄録
内容記述タイプ Abstract
内容記述 The aim of this study was to assess the feasibility of planning dose-volume histogram (DVH) parameters in computed tomography-based 3D image-guided brachytherapy for locally advanced cervical cancer. In a prospective multi-institutional study, 60 patients with stage IIA2-IVA cervical cancer from eight institutions were treated with external beam radiotherapy using central shielding and intracavitary or hybrid (combined intracavitary/interstitial) brachytherapy (HBT). The dose constraints were set as a cumulative linear quadratic equivalent dose (EQD2) of at least 60 Gy for high-risk clinical target volume (HR-CTV) D90, D2cc ≤ 75 Gy for rectum, D2cc ≤ 90 Gy for bladder and D2cc ≤ 75 Gy for sigmoid. The median HR-CTV D90 was 70.0 Gy (range, 62.8-83.7 Gy) in EQD2. The median D2cc of rectum, bladder and sigmoid was 57.1 Gy (range, 39.8-72.1 Gy), 68.9 Gy (range, 46.5-84.9 Gy) and 57.2 Gy (range, 39.2-71.2 Gy) in EQD2, respectively. In 76 of 233 sessions (33%), 23 patients underwent HBT, and the median number of interstitial needles was 2 (range, 1-5). HBT for a bulky HR-CTV (≥40 cm3) significantly improved the HR-CTV D90 compared with intracavitary brachytherapy alone (P = 0.010). All patients fulfilled the dose constrains for target and at risk organs by undergoing HBT in one-third of sessions. We conclude that the planning DVH parameters used in our protocol are clinically feasible.
書誌情報 Journal of radiation research

巻 62, 号 3, p. 502-510, 発行日 2021-02
出版者
出版者 Oxford University Press
ISSN
収録物識別子タイプ ISSN
収録物識別子 1349-9157
PubMed番号
識別子タイプ PMID
関連識別子 33532828
DOI
識別子タイプ DOI
関連識別子 10.1093/jrr/rraa138
関連サイト
識別子タイプ URI
関連識別子 https://academic.oup.com/jrr/article/62/3/502/6126961
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