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Abstract #1180

High Resolution Qualitative and Quantitative MR Imaging of the First Metatarsophalangeal Joint at 11.7T and 3.0T with Anatomic and Histologic Correlation

Diego A Garcia 1 , Higor Grando 1 , Kenyu Iwasaki 1 , Reni Biswas 1 , Sheronda Statum 1 , Eric Y Chang 1 , Graeme M Bydder 1 , and Christine B Chung 1

1 Radiology, VA San Diego Healthcare System - UCSD, San Diego, California, United States

The plantar plate has been identified as a major stabilizer structure of the metatarsophalangeal joint. The purpose of the study is to provide high-resolution and quantitative MR evaluation of the first MTP joint. Imaging of the first MTP joints were performed on 3T and 11.7T MR system of five cadaveric forefeet, and each specimen were subsequently correlated with gross and histologic anatomy. Through high-resolution MR imaging we demonstrate that the first plantar plate is a dynamic capsuloligamentous complex. Quantitative MR of important structures of the first MTP joint may allow for earlier diagnosis, stage of injury, and therapeutic monitoring.

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