Brain MRI showing unilateral amygdala enlargement

Coronal T1-weighted MPRAGE (A) sequence showing slight enlargement of the right amygdala (arrow) compared with the left and coronal T2-weighted FLAIR sequence (B) showing hyperintense signal (arrow).

MRI: magnetic resonance imaging; MPRAGE: magnetization-prepared rapid acquisition gradient echo; FLAIR: fluid-attenuated inversion recovery.

Courtesy of Katie Bullinger, MD, PhD.