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Abstract #2791

Quantitative evaluation of pubic symphysis in late pregnancy using T2* mapping

Tao Gong1, Jinxia Zhu2, and Guangbin Wang1
1Shandong Medical Imaging Research Institute, Jinan, China, 2Siemens Healthcare, MR Collaborations NE Asia, Beijing, China

Degenerative joint disease of pubic symphysis is the primary cause of groin pain during late pregnancy. T2* mapping is a reliable tool in articular cartilage imaging, has been widely used to evaluate the degeneration of knee joint and intervertebral discs, while no studies was found in the pubic symphysis during pregnancy. Our results indicated the T2* values of cartilage between pubic bones increased significantly during late pregnancy, which were mainly driven by the posterior sub-region of cartilage. This study suggests that T2* mapping is a sensitive quantitative method capable of detecting cartilage changes of pubic symphysis during pregnancy.

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