Journal
MAGNETIC RESONANCE IN MEDICAL SCIENCES
Volume 12, Issue 1, Pages 63-68Publisher
JPN SOC MAGNETIC RESONANCE IN MEDICINE
DOI: 10.2463/mrms.2012-0027
Keywords
intravenous; magnetic resonance imaging; Meniere's disease; 3D imaging
Funding
- Grants-in-Aid for Scientific Research [24791288] Funding Source: KAKEN
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A HYDROPS (HYbriD of Reversed image Of Positive endolymph signal and native image of positive perilymph Signal) image, created by subtracting a positive endolymph image from a positive perilymph image after intravenous injection of single-dose gadodiamide, has been reported to facilitate recognition of endolymphatic hydrops. To further increase the contrast-to-noise ratio (CNR) of HYDROPS images, we multiplied a T-2-weighted MR cisternographic image onto the HYDROPS image. Ten patients with suspected Meniere's disease were included. The average CNR of generated images increased to more than 200 times that of HYDROP images.
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