MR coils: the pursuit of a better signal-to-noise ratio

by Lauren Dubinsky, Senior Reporter | October 10, 2016
MRI
From the October 2016 issue of HealthCare Business News magazine


The endorectal coils have less density – one or two channels – so they have to be invasive. But the Body 30 is a 30-element body coil with 30 amplifiers built into it and the Body 60 is two Body 30s. Siemens is not the only company that offers a noninvasive coil for prostate exams. In June 2015, ScanMed introduced its noninvasive prostate/pelvic MR coil, ProCure.

It’s a wearable MR coil that places multiple antennae elements as close as possible to the prostate and pelvis. It can also assist a biopsy if the radiologist detects a suspicious lesion. The latest version of the American College of Radiology’s Prostate Imaging Reporting and Data System (PI-RADS) supports the use of higher-density coils for noninvasive prostate MR exams. “They feel that the image quality is credible enough to that of the invasive solution using the endorectal coil,” says Metellus. “It’s up to the physician whether they want to use the endorectal coil or not. More people are starting to use it noninvasively with the higher-density body coils.”

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