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In each patient, unenhanced CT was followed by early, 5 and 10 min enhanced CT. Diagnostic parameters included delayed enhanced attenuation at 5 and 10 min, washout attenuation (WO) at 5 and 10 min, absolute percentage washout (APW) at 5 and 10 min, and relative percentage washout (RPW) at 5 and 10 min. The accuracy of each parameter for diagnosing adenomas from non-adenomas was calculated using receiver operating characteristic (ROC) analysis.\nResults: Upon comparison between 5 and 10 min delayed contrast-enhanced CT for differentiating total adenomas or lipid-poor adenomas from non-adenomas, there was no significant difference in the area under the binomial ROC curve (Az) values of delayed enhanced attenuation (total adenomas versus non-adenomas, p = 0.164; lipid-poor adenomas versus non-adenomas, p = 0.178), WO (total adenomas versus non-adenomas, p = 0.216; lipid-poor adenomas versus non-adenomas, p = 0.230), APW (total adenomas versus non-adenomas, p = 0.401; lipid-poor adenomas versus non-adenomas, p = 0.870), or RPW (total adenomas versus non-adenomas, p = 0.160; lipid-poor adenomas versus non-adenomas, p = 0.780).\nConclusion: Five minute contrast-enhanced CT was as useful as 10 min contrast-enhanced CT for differentiation of adrenal adenomas from non-adenomas.\n\nY. Kumagae, Y. Fukukura, K. Takumi, T. Shindo, A. Tateyama, T. Kamiyama, K. Kamimura, M. Nakajo\nDistinguishing adrenal adenomas from non-adenomas on dynamic enhanced CT: A comparison of 5 and 10 min delays after intravenous contrast medium injection\nClinical Radiology 68 (2013) 696-703\nhttps://doi.org/10.1016/j.crad.2013.01.016", "subitem_description_type": "Other"}]}, "item_5_dissertation_number_55": {"attribute_name": "学位授与番号", "attribute_value_mlt": [{"subitem_dissertationnumber": "甲総研第355号"}]}, "item_5_full_name_2": {"attribute_name": "著者よみ", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "118590", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "クマガエ, ユウイチ"}]}]}, "item_5_full_name_3": {"attribute_name": "別言語の著者", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "118591", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "KUMAGAE, Yuichi"}]}]}, "item_5_publisher_23": {"attribute_name": "公開者・出版者", "attribute_value_mlt": [{"subitem_publisher": "Elsevier"}, {"subitem_publisher": "鹿児島大学"}]}, "item_5_subject_15": {"attribute_name": 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Distinguishing adrenal adenomas from non-adenomas on dynamic enhanced CT: A comparison of 5 and 10 min delays after intravenous contrast injection
http://hdl.handle.net/10232/26480
http://hdl.handle.net/10232/2648041c8abc3-83d4-4930-9d83-6f2010ce4202
名前 / ファイル | ライセンス | アクション |
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2016-04-11 | |||||
タイトル | ||||||
タイトル | Distinguishing adrenal adenomas from non-adenomas on dynamic enhanced CT: A comparison of 5 and 10 min delays after intravenous contrast injection | |||||
別言語のタイトル | ||||||
その他のタイトル | 副腎腫瘍に対するダイナミックCTにおける至適後期相撮像タイミングの検討 | |||||
著者 |
熊谷, 雄一
× 熊谷, 雄一 |
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著者よみ | ||||||
姓名 | クマガエ, ユウイチ | |||||
別言語の著者 | ||||||
姓名 | KUMAGAE, Yuichi | |||||
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_db06 | |||||
資源タイプ | doctoral thesis | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Aim: To evaluate the usefulness of several parameters of 5 min compared to 10 min delayed contrast-enhanced CT in distinguishing adenomas from non-adenomas. Materials and methods: The study population consisted of 94 patients (52 men and 42 women; mean age 62 years) with 103 adrenal lesions (75 adenomas and 28 non-adenomas). In each patient, unenhanced CT was followed by early, 5 and 10 min enhanced CT. Diagnostic parameters included delayed enhanced attenuation at 5 and 10 min, washout attenuation (WO) at 5 and 10 min, absolute percentage washout (APW) at 5 and 10 min, and relative percentage washout (RPW) at 5 and 10 min. The accuracy of each parameter for diagnosing adenomas from non-adenomas was calculated using receiver operating characteristic (ROC) analysis. Results: Upon comparison between 5 and 10 min delayed contrast-enhanced CT for differentiating total adenomas or lipid-poor adenomas from non-adenomas, there was no significant difference in the area under the binomial ROC curve (Az) values of delayed enhanced attenuation (total adenomas versus non-adenomas, p = 0.164; lipid-poor adenomas versus non-adenomas, p = 0.178), WO (total adenomas versus non-adenomas, p = 0.216; lipid-poor adenomas versus non-adenomas, p = 0.230), APW (total adenomas versus non-adenomas, p = 0.401; lipid-poor adenomas versus non-adenomas, p = 0.870), or RPW (total adenomas versus non-adenomas, p = 0.160; lipid-poor adenomas versus non-adenomas, p = 0.780). Conclusion: Five minute contrast-enhanced CT was as useful as 10 min contrast-enhanced CT for differentiation of adrenal adenomas from non-adenomas. Y. Kumagae, Y. Fukukura, K. Takumi, T. Shindo, A. Tateyama, T. Kamiyama, K. Kamimura, M. Nakajo Distinguishing adrenal adenomas from non-adenomas on dynamic enhanced CT: A comparison of 5 and 10 min delays after intravenous contrast medium injection Clinical Radiology 68 (2013) 696-703 https://doi.org/10.1016/j.crad.2013.01.016 |
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作成日 | ||||||
日付 | 2016-01-01 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 493.49 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 博士論文全文 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 博士論文要旨 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 最終試験結果の要旨 | |||||
ファイル(説明) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 論文審査の要旨 | |||||
公開者・出版者 | ||||||
出版者 | Elsevier | |||||
公開者・出版者 | ||||||
出版者 | 鹿児島大学 | |||||
公開者よみ | ||||||
公開者よみ | カゴシマ ダイガク | |||||
公開者別名 | ||||||
公開者別名 | Kagoshima University | |||||
備考 | ||||||
備考 | 【指導教員 : 吉浦敬, 福倉良彦】 | |||||
date.appl | ||||||
【学位申請日】2015-06-03 | ||||||
学位名 | ||||||
学位名 | 博士(医学)Doctor of Philosophy in Medical Science | |||||
学位授与機関 | ||||||
学位授与機関識別子Scheme | kakenhi | |||||
学位授与機関識別子 | 17701 | |||||
学位授与機関名 | 鹿児島大学 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2016-03-17 | |||||
学位授与番号 | ||||||
学位授与番号 | 甲総研第355号 |