ORBITAL FAT VOLUMETRY AND FAT FRACTION MEASUREMENT USING ITERATIVE DECOMPOSITION OF WATER AND FAT WITH ECHO ASYMMETRY AND LEAST-SQUARES ESTIMATION-FAST SPIN ECHO (IDEAL -FSE)
1Radiology, Chugoku Rosai Hospital, Kure, Japan, 2Clinical radiology, Hiroshima University Hospital, Hiroshima, Japan, 3Diagnostic Radiology, Hiroshima University Hospital, Hiroshima, Japan
We believe that the quantitative evaluation of orbital fat proliferation and
edema is useful for diagnosing and monitoring Graves’ ophthalmopathy. We
demonstrate the feasibility of orbital fat volumetry and fat fraction
measurement using iterative decomposition of water and fat with echo asymmetry
and least-squares estimation-fast spin echo (IDEAL-FSE) and analyze preliminary
data from healthy adults.
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