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  • Title: Hybrid phased array for improved internal auditory canal imaging at 3.0-T MR.
    Author: Kocharian A, Lane JI, Bernstein MA, Lin C, Witte RJ, Huston J, Felmlee JP.
    Journal: J Magn Reson Imaging; 2002 Sep; 16(3):300-4. PubMed ID: 12205586.
    Abstract:
    PURPOSE: To develop and evaluate a hybrid phased array for internal auditory canal (IAC) imaging at 3.0 T. MATERIALS AND METHODS: A hybrid phased array was designed and built as two circular surface receive-only coils combined with a volume transmit-receive birdcage head coil for simultaneous image acquisition. Phantom and volunteer images were obtained to assess the coil performance. RESULTS: The phantom data show that significant signal-to-noise ratio (SNR) improvement was achieved in the region corresponding to the inner ear, i.e., by a factor of 2.5 compared to the standard head coil data. Volunteer IAC image quality was deemed superior as compared to images acquired at 3.0 T using a standard head coil. CONCLUSION: This hybrid array combined with three-dimensional fast spin-echo (FSE) acquisition resulted in improved high spatial resolution IAC imaging.
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