Takao Kumazawa1, Yasutaka Fushimi1, Tomohisa Okada1,2, Takuya Hinoda1, Tsutomu Okada1, Akira Yamamoto1, Yutaka Natsuaki3, and Kaori Togashi1
1Kyoto University Graduate School of Medicine, Kyoto, Japan, 2Human Brain Research Center, Kyoto University Graduate School of Medicine, Kyoto, Japan, 3Siemens Medical Solutions USA, Inc., Huntington Beach, CA, United States
The
visualization of the inner ear and facial nerve canal was compared between
PETRA and CT in this study. The total 24 patients who underwent MRI including
PETRA and whole brain CT were enrolled, and visualization of auditory ossicles,
semicircular canals, and facial nerve canal are evaluated. All of auditory
ossicles, semicircular canals, and facial nerve canal were more visible on CT
than PETRA, however, facial nerve canal and
semicircular canals were commonly recognized, and auditory ossicles were
occasionally visualized on PETRA.