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  1. C100 医学部/医学系研究科
  2. C100b 紀要
  3. Nagoya journal of medical science
  4. 77(3)

Background parenchymal enhancement in preoperative breast MRI

https://doi.org/10.18999/nagjms.77.3.373
https://doi.org/10.18999/nagjms.77.3.373
e504e703-a106-4bb2-965a-b32a2a826a0d
名前 / ファイル ライセンス アクション
16_Kohara.pdf 16_Kohara.pdf (294.8 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2015-09-07
タイトル
タイトル Background parenchymal enhancement in preoperative breast MRI
著者 Kohara, Satoko

× Kohara, Satoko

WEKO 60382

Kohara, Satoko

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Ishigaki, Satoko

× Ishigaki, Satoko

WEKO 60383

Ishigaki, Satoko

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Satake, Hiroko

× Satake, Hiroko

WEKO 60384

Satake, Hiroko

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Kawamura, Akiko

× Kawamura, Akiko

WEKO 60385

Kawamura, Akiko

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Kawai, Hisashi

× Kawai, Hisashi

WEKO 60386

Kawai, Hisashi

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Kikumori, Toyone

× Kikumori, Toyone

WEKO 60387

Kikumori, Toyone

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Naganawa, Shinji

× Naganawa, Shinji

WEKO 60388

Naganawa, Shinji

Search repository
キーワード
主題Scheme Other
主題 breast cancer
キーワード
主題Scheme Other
主題 background parenchymal enhancement
キーワード
主題Scheme Other
主題 preoperative MRI
抄録
内容記述 We aimed to assess the influence of background parenchymal enhancement (BPE) on surgical planning performed using preoperative MRI for breast cancer evaluation. Between January 2009 and December 2010, 91 newly diagnosed breast cancer patients (mean age, 55.5 years; range, 30−88 years) who underwent preoperative bilateral breast MRI followed by planned breast conservation therapy were retrospectively enrolled. MRI was performed to assess the tumor extent in addition to mammography and breast ultrasonography. BPE in the contralateral normal breast MRI at the early dynamic phase was visually classified as follows: minimal (n=49), mild (n=27), moderate (n=7), and marked (n=8). The correlations between the BPE grade and age, menopausal status, index tumor size, changes in surgical management based on MRI results, positive predictive value (PPV) of MRI, and surgical margins were assessed. Patients in the strong BPE groups were significantly younger (p=0.002) and generally premenopausal (p<0.001). Surgical treatment was not changed in 67 cases (73.6%), while extended excision and mastectomy were performed in 12 cases (13.2%), each based on additional lesions on MRI. Six of 79 (7.6%) patients who underwent breast conservation therapy had tumor-positive resection margins. In cases where surgical management was changed, the PPV for MRI-detected foci was high in the minimal (91.7%) and mild groups (66.7%), and 0% in the moderate and marked groups (p=0.002). Strong BPE causes false-positive MRI findings and may lead to overly extensive surgery, whereas MRI may be beneficial in select patients with weak BPE.
内容記述タイプ Abstract
出版者
出版者 Nagoya University Graduate School of Medicine, School of Medicine
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
ID登録
ID登録 10.18999/nagjms.77.3.373
ID登録タイプ JaLC
ISSN(print)
収録物識別子タイプ ISSN
収録物識別子 0027-7622
書誌情報 Nagoya Journal of Medical Science

巻 77, 号 3, p. 373-382, 発行日 2015-08
著者版フラグ
値 publisher
URI
識別子 http://www.med.nagoya-u.ac.jp/medlib/nagoya_j_med_sci/773.html
識別子タイプ URI
URI
識別子 http://hdl.handle.net/2237/22983
識別子タイプ HDL
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