Meeting Banner
Abstract #3680

Estimation of Perilymph Enhancement After Intrarympanic Administration of Gd-DTPA by Fast T1-Mapping with Dual Flip Angle 3D-Spoiled Gradient Echo Sequence

Shinji Naganawa1, Masahiro Yamazaki1, Hisashi Kawai1, Tsutomu Nakashima2

1Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan; 2Department of Otorhynolaryngology, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan

FT1 mapping by 3D-GRE can predict poor enhancement of inner ear after intratympanic Gd injection, therefore unnecessary long MR scans can be avoided.

Keywords

administration allows although anatomy apparently applied appreciated approval array avoid basal basis blinded cartilage clinical cochlea cochlear coil committee concentration consents consisted contrast degree described diagnosis disease distribution dual ears eleven ends enhancement enough estimation ethics evaluate evaluated examination exams excitation fails fast flair gradient graduate head help hours included informed inner interpolated inversion invisible japan label least long longer manually mapping materials matrix measure measured medical medicine membrane might minutes modified needs objective occasionally patients permeability pixel poor predict previously probably protocols pulse radiologist radiology real recognition recognize reconstruction recovery referring regarding relatively reported required resolution reviewed round school score scored scores selective sensitive separate separately significantly slightly space spatial spoiled succeed suspect takes tendency turn twice tympani typically underwent unfortunately unnecessary usually utilized vain visible visualization visualize water window women written