Non-Mono-Exponential Analysis of Diffusion-Weighted Imaging for Treatment Monitoring in Prostate Cancer Bone Metastases.
Non-Mono-Exponential Analysis of Diffusion-Weighted Imaging for Treatment Monitoring in Prostate Cancer Bone Metastases.
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DOI：
10.1038/s41598-017-06246-4
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发表时间：
2017-07-19
影响因子：
4.6
通讯作者：
Gutzeit A
中科院分区：
文献类型：
--
作者：
Reischauer C;Patzwahl R;Koh DM;Froehlich JM;Gutzeit A
Diffusion-weighted imaging quantified using the mono-exponential model has shown great promise for monitoring treatment response in prostate cancer bone metastases. The aim of this prospective study is to evaluate whether non-mono-exponential diffusion models better describe the water diffusion properties and may improve treatment response assessment. Diffusion-weighted imaging data of 12 treatment-naïve patients with 34 metastases acquired before and at one, two, and three months after initiation of antiandrogen treatment are analysed using the mono-exponential, the intravoxel incoherent motion, the stretched exponential, and the statistical model. Repeatability of the fitted parameters and changes under therapy are quantified. Model preference is assessed and correlation coefficients across times are calculated to delineate the relationship between the prostate-specific antigen levels and the diffusion parameters as well as between the diffusion parameters within each model. There is a clear preference for non-mono-exponential diffusion models at all time points. Particularly the stretched exponential is favoured in approximately 60% of the lesions. Its parameters increase significantly in response to treatment and are highly repeatable. Thus, the stretched exponential may be utilized as a potential optimal model for monitoring treatment response. Compared with the mono-exponential model, it may provide complementary information on tissue properties and improve response assessment.
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影响因子：
8.4
作者：
Eisenhauer, E. A.;Therasse, P.;Verweij, J.
通讯作者：
Verweij, J.
影响因子：
10.6
作者：
Netsch, T;van Muiswinkel, A
通讯作者：
van Muiswinkel, A
影响因子：
4.8
作者：
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通讯作者：
Ross, Brian D.
DOI：
10.1038/ncpuro1296
发表时间：
2009-02
期刊：
NATURE CLINICAL PRACTICE UROLOGY
影响因子：
--
作者：
Harris, William P.;Mostaghel, Elahe A.;Nelson, Peter S.;Montgomery, Bruce
通讯作者：
Montgomery, Bruce
影响因子：
3.3
作者：
Hall, Matt G.;Barrick, Thomas R.
通讯作者：
Barrick, Thomas R.