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  1. 学術雑誌論文
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Distinguishing intrahepatic mass-forming biliary carcinomas from hepatocellular carcinoma by computed tomography and magnetic resonance imaging using the Bayesian method: A bi-center study

http://hdl.handle.net/10271/0002000459
http://hdl.handle.net/10271/0002000459
189a7a90-cc48-46a9-9546-2cd7437eba1e
名前 / ファイル ライセンス アクション
ER-30-5992.pdf ER-30-5992.pdf (10.5 MB)
Item type 共通アイテムタイプ / Common item types(1)
公開日 2025-06-27
タイトル
タイトル Distinguishing intrahepatic mass-forming biliary carcinomas from hepatocellular carcinoma by computed tomography and magnetic resonance imaging using the Bayesian method: A bi-center study
言語
言語 eng
キーワード
主題 intrahepatic cholangiocarcinoma
キーワード
主題 hepatocellular carcinoma
キーワード
主題 multidetector computed tomography
キーワード
主題 magnetic resonance imaging
キーワード
主題 Bayesian method
資源タイプ
資源タイプ journal article
アクセス権
アクセス権 open access
著者 Ichikawa, Shintaro

× Ichikawa, Shintaro

en Ichikawa, Shintaro

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Isoda, Hiroyoshi

× Isoda, Hiroyoshi

en Isoda, Hiroyoshi

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Shimizu, Tatsuya

× Shimizu, Tatsuya

en Shimizu, Tatsuya

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Tamada, Daiki

× Tamada, Daiki

en Tamada, Daiki

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Taura, Kojiro

× Taura, Kojiro

en Taura, Kojiro

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Togashi, Kaori

× Togashi, Kaori

en Togashi, Kaori

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Onishi, Hiroshi

× Onishi, Hiroshi

en Onishi, Hiroshi

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Motosugi, Utaroh

× Motosugi, Utaroh

en Motosugi, Utaroh

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著者情報 市川, 新太郎

× 市川, 新太郎

ja 市川, 新太郎

ja-Kana イチカワ, シンタロウ

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書誌情報 en : European radiology

巻 30, 号 11, p. 5992-6002, 発行日 2020-11
出版者
出版者 Springer Nature
権利
権利情報 This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s00330-020-06972-w
抄録
内容記述タイプ Abstract
内容記述 Objectives: To determine imaging hallmarks for distinguishing intrahepatic mass-forming biliary carcinomas (IMBCs) from hepatocellular carcinoma (HCC) and to validate their diagnostic ability using Bayesian statistics.
Methods: Study 1 retrospectively identified clinical and imaging hallmarks that distinguish IMBCs (n=41) from HCC (n=247) using computed tomography (CT) and magnetic resonance imaging (MRI). Study 2 retrospectively assessed the diagnostic ability of these hallmarks to distinguish IMBCs (n=37) from HCC (n=111) using Bayesian statistics with images obtained from a different institution. We also assessed the diagnostic ability of the hallmarks in the patient subgroup with high diagnostic confidence (≥80% of post-test probability). Two radiologists independently evaluated the imaging findings in Study 1 and 2.
Results: In Study 1, arterial phase peri-tumoral parenchymal enhancement on CT/MRI, delayed enhancement on CT/MRI, diffusion-weighted imaging peripheral hyperintensity, and bile duct dilatation were hallmarks indicating IMBCs, whereas chronic liver disease, non-rim arterial phase hyperenhancement on CT/MRI, enhancing capsule on CT/MRI, and opposed-phase signal drop were hallmarks indicating HCC (P=0.001–0.04). In Study 2, Bayesian statistics-based post-test probability combining all hallmark features had a diagnostic accuracy of 89.2% (132/148) in distinguishing IMBCs from HCC for both readers. In the high diagnostic confidence subgroup (n=120 and n=124 for reader 1 and 2, respectively), the accuracy improved (95.0% (114/120) and 93.5% (116/124) for reader 1 and 2, respectively).
Conclusions: Combined interpretation of CT and MRI to identify hallmark features is useful in discriminating IMBCs from HCCs. High post-test probability by Bayesian statistics allows for a more reliable non-invasive diagnosis.
注記
内容記述 Key Points
● Combined interpretation of CT and MRI to identify hallmark features was useful in discriminating intrahepatic mass-forming biliary carcinomas from hepatocellular carcinoma.
● Bayesian method-based post-test probability combining all hallmark features determined in Study 1 showed high (>90%) sensitivity and specificity for distinguishing intrahepatic mass-forming biliary carcinomas from hepatocellular carcinoma.
● If the post-test probability or the confidence was ≥80% when combining the imaging features of CT and MRI, the high specificity of >95% was achieved without any loss of sensitivity to distinguish hepatocellular carcinoma from intrahepatic mass-forming biliary carcinomas.
EISSN
収録物識別子 1432-1084
NII書誌ID (NCID)
収録物識別子 AA11623135
PubMed番号 (PMID)
関連識別子 32500195
出版社DOI
関連識別子 https://doi.org/10.1007/s00330-020-06972-w
出版タイプ
出版タイプ AM
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