1naresh
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Time of Imaging with Reference to Symptom Onset Imaging Findings in the Amygdala/Hippocampus Plain CT T1WI T2WI FLAIR DWI ADC Value Gd-T1WI Others on MR Abnormal findings Low High High High Reduction Abnormal enhancement Atophic change Early period, days 1–2 (n = 4 patients) 0/3 (0%) 2/4 (50%) 2/4 (50%) 2/3 (67%) 2/2 (100%) 2/2 (100%) 0/2 (0%) 0/4 (0%) Middle period, days 3–30 (n = 4 patients) 5/6 (83%) 4/6 (67%) 5/6 (83%) 3/5 (60%) 1/3 (33%) 0/2 (0%) 2/6 (33%) Late period, days 31+ (n = 4 patients) 0/4 (0%) 0/4 (0%) 0/4 (0%) 0/4 (0%) 0/2 (0%) 0/2 (0%) 4/4 (100%)
Note:—Gd-T1WI indicates gadolinium-diethylene triaminepentaacetic acid T1-weighted imaging; ADC, apparent diffusion coefficient; T1WI, T1-weighted imaging; T2WI, T2-weighted imaging; FLAIR, fluid-attenuated inversion recovery; DWI, diffusion-weighted imaging.