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Abstract #5116

Quantitative Analysis of Avascular Necrosis of the Femoral Head Using the Multi-Echo 3D Dixon MR Sequence

bing xie1, jingjing li1, jie wang1, mingshan du1, wei chen1, Xiaoyue zhou2, Panli zuo3, and Xiaodong zhong

1radiology, Southwest Hospital, Third Military Medical University, chongqing, People's Republic of China, 2MR Collaboration, Siemens Healthcare Ltd, shanghai, People's Republic of China, 3MR Collaboration, Siemens Healthcare Ltd, beijing, People's Republic of China

Avascular necrosis of thefemoral head (ANFH) is a pathological process that results from interrupted or impaired blood supply to bone. The multi-echo 3D Dixon technique provides the water/fat ratio quantification for evaluation of the bone marrow edema and the stage of ANFH. Our study demonstrated that femoral head water/fat permillage in ANFH was significantly higher than that of the healthy hips.

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