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Wrist: improved MR imaging with optimized transmit-receive coil design Kocharian A; Adkins MC; Amrami KK; McGee KP; Rouleau PA; Wenger DE; Ehman RL; Felmlee JPRadiology 2002[Jun]; 223 (3): 870-6The optimized wrist coil was designed and built as a transmit-receive birdcage coil for 1.5-T magnetic resonance (MR) imaging. Phantom studies were conducted to compare the optimized design with custom-designed and commercially available phased-array wrist coils and showed a 50%-90% improvement in signal-to-noise ratio (SNR). Blinded review of wrist images obtained in six volunteers showed that the optimized birdcage coil was preferred in 75% of the comparisons. An optimized birdcage coil designed for wrist imaging has improved both SNR and uniformity compared with those with a phased-array coil with the same geometry.|Adult[MESH]|Female[MESH]|Humans[MESH]|Magnetic Resonance Imaging/*instrumentation[MESH]|Male[MESH]|Middle Aged[MESH]|Phantoms, Imaging[MESH]|Wrist Injuries/*diagnosis[MESH]|Wrist/*anatomy & histology[MESH] |
