Prostate MR imaging at 3T with a longitudinal array endorectal surface coil and phased array body coil
David Y Kim1, Mitchell D Schnall, Mark A Rosen
1Department of Radiology, Weill Cornell Medical College, New York, New York, USA. david.kimwg07@wharton.upenn.edu
Journal of Magnetic Resonance Imaging : JMRI
|May 28, 2008
Summary
A novel double loop endorectal coil combined with a body coil shows feasibility for 3T prostate imaging. This advanced coil design provides strong signal-to-noise ratio (SNR) for enhanced visualization in vivo.
Area of Science:
- Magnetic Resonance Imaging (MRI)
- Medical Device Engineering
Background:
- Prostate imaging at 3 Tesla (3T) MRI presents challenges in signal-to-noise ratio (SNR) and image quality.
- Existing endorectal coils have limitations in coverage and signal uniformity.
Purpose of the Study:
- To assess the feasibility of a novel double loop phased array endorectal coil for 3T prostate MRI.
- To evaluate the performance of this coil in conjunction with a phased array body coil.
Main Methods:
- Design and construction of a new endorectal coil with two 4.0 x 5.0 cm loops.
- Tuning the coil for optimal 3T performance and characterizing its signal-to-noise ratio (SNR).
- Acquisition of images on a phantom and a human subject.
Main Results:
- The coil demonstrated a Q factor of approximately 50 unloaded and 30 loaded.
- High SNR was observed along the coil's midpoint, with significant signal detected up to 4 cm.
- Successful in vivo imaging of the prostate was achieved.
Conclusions:
- The developed double loop phased array endorectal coil is feasible for 3T prostate MRI.
- The coil's performance warrants further clinical trials to determine its efficacy.
- Clinical trials are currently underway to evaluate the coil's diagnostic value.
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