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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