Abstract #1982
Fractional anisotropy in diffusion tensor imaging and diffusion kurtosis imaging at 3-T MR for detection of patients with depression and comorbid hypertension in depression
Ying Liu 1 , Huishu Yuan 1 , Xiangzhu Zeng 1 , Zheng Wang 1 , and Han Zhang 2
1
Radiology, Peking University Third Hospital,
Beijing, Beijing, China,
2
The
consultation liaison, Peking University Mental Health
Institute, Beijing, Beijing, China
As important diagnostic tools for cerebral
microstructure impairment, diffusion tensor imaging
(DTI) and diffusion kurtosis imaging(DKI) have the
ability to assess the white matter characteristics by
investigating water diffusion with a Gaussian and a non
Gaussian models. Fractional anisotropy is a very
important parameter of DTI. Diffusion kurtosis imaging
is an extension of diffusion tensor imaging. Fractional
anisotropy of kurtosis (FAk) is similar to FA in DTI,
and can be conveniently defined as FAk. The aim of this
study is to evaluate the differences between depression
and comorbid hypertension in depression using FA of DTI
and FAk of DKI.
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