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PurposeTo investigate whether compressed air during air‐cuff inflation in vascular reactivity studies could induce aberrant blood oxygenation level‐dependent (BOLD) signal change.
Materials and MethodsMagnetic resonance imaging (MRI) experiments were performed on a whole‐body 3 T scanner. The pattern of T2* signal change measured from a phantom simulating the lower limb was assessed while a thigh...
The objective of this study is to characterize perfusion and bone mineral density (BMD) in the lumbar spine as a function of level and anatomic location. Fourteen male subjects with healthy vertebral endplates were selected to avoid gender and endplate disease influence. The bone perfusion and BMD of different vertebral level (L1-L4) were measured by the dynamic contrast enhancement MRI (DCE MRI)...
This study utilizes dynamic contrast enhancement scan by MRI to investigate the perfusion characteristics in bone marrow with Modic changes in spine. Three types of Modic change show different features in perfusion compared to normal vertebra. When the perfusion characteristics were quantified by the maximum enhancement (Smax) and enhancement slope (Slope), type II showed a slightly decreased perfusion...
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