Low-dose volume perfusion computed tomography (VPCT) for diagnosis of solitary pulmonary nodules
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- 作者：Yibo Suna ; Minjie Yangb ; Dingbiao Maoa ; Fanzhen Lvb ; Yulei Yinc ; Ming Lia ; Yanqing Huaa ; cjr_huayanqing@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Solitary pulmonary nodules ; Computed tomography ; Perfusion ; Low dose ; Radiation dose ; Clinical practice
- 刊名：European Journal of Radiology
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：85
- 期：6
- 页码：1208-1218
- 全文大小：4714 K
文摘
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The radiation dose of volume perfusion computed tomography (VPCT) can be successfully reduced by means of reducing tube voltage to 70 kV and that perfusion-based entire SPN characterization is feasible.
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The two calculation methods (maximum slop + Patlak and deconvolution) deliver different absolute values for parameters, such as BF, BV and k-trans, which correlate well for BF and BV.
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The perfusion parameters of 70 kV—VPCT can be used to differ the pulmonary lesion from normal tissue.