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Abstract #5158

Prognostic value of dynamic MRI in assessing femoral head vascularity of male smokers.

lei hu1 and yang fan2

1Radiation imaging center of Renmin Hospital of Wuhan University, wuhan, China, 2GE Healthcare China, Beijing, China., wuhan, China

Smokers were at a higher risk of osteonecrosis of the femoral head (ONFH). In this study we aim to evaluate prognostic value of dynamic magnetic resonance imaging in assessing the femoral head vascularity of male smokers. 80 young adult men of whom 40 were smokers and 40 were nonsmokers underwent routine MR and DCE MR examination. The images and data were analyzed. In this study, we found that there was no difference of T1WI and T2WI between smokers and non-smokers. Ktrans and Kep of femoral head in the smoking group were higher compared to the control group. DCE MR can be a potential tool to detect the early change of femoral head vascularity of male smokers.

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