Abstract #0410

In Vivo Diffusion MRI Evaluation of Human Patellar Tendon Microstructure and Microcirculation

Kenneth Wengler¹, Takeshi Fukuda², Dharmesh Tank², David E Komatsu³, Megan Paulus³, Elaine Gould², Mingqian Huang², Mark E Schweitzer², and Xiang He²

¹Biomedical Engineering, Stony Brook University, Stony Brook, NY, United States, ²Radiology, Stony Brook University, Stony Brook, NY, United States, ³Orthopaedics, Stony Brook University, Stony Brook, NY, United States

The patellar tendon (PT) is essential for knee extension and patellar tendinopathy causes persistent knee pain in ~14% of recreational athletes. Microstructure and microcirculation play a critical role in the progression of tendinopathy and can be non-invasively assessed by DTI and IVIM MRI, respectively. In this study, the novel ste-RS-EPI diffusion MRI protocol originally developed for Achilles tendon imaging was applied to image healthy PT. For the first time, DTI and IVIM images were acquired of PT for microstructure and microcirculation evaluation.

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