Quantitative 23Na MRI of Human Knee Cartilage Using Dual-Tuned 1H/23Na Transceiver Array RF Coil at 7T

Chan Hong Moon¹, Jung-Hwan Kim¹, Tiejun Zhao², Kyongtae Ty Bae¹

We developed a new high-sensitivity multi-channel ²³Na RF coil for knee MRI at 7T. Our ¹H/²³Na MRI allowed quantitative measurement of [²³Na] in knee cartilage by taking into consideration of the ²³Na imaging point spread function and ¹H imaging cartilage thickness.