PMC5140871_01
MRI of the brain on admission in Case 1. A: T2-weighted image. B: Fluid-attenuated inversion recovery (FLAIR) image. C: A diffusion-weighted image revealed an isolated small high intensity lesion in the pontine tegmentum. D: A T1-weighted image showed no apparent abnormalities.
1349-7235-55-3181-g001.jpg
PMC5140871_01_1349-7235-55-3181-g001.jpg
g001
T2-weighted and fluid-attenuated inversion recovery images. The lesion was not enhanced by contrast agent (Fig. 1).
PMC5140871_02
MRI of the brain in Case 2. A: T2-weighted image. B: FLAIR image. C: A diffusion-weighted image revealed a hyperintense lesion in the pons with slight edema. D: Sagittal T2-weighted imaging of the brainstem showed the lesion existed on the pontine midline. The lesion finally diminished without any treatment.
1349-7235-55-3181-g002.jpg
PMC5140871_02_1349-7235-55-3181-g002.jpg
g002
In the third week, she visited a neurological clinic and brain MRI studies showed a hyperintense lesion in the pons with slight edema on a T2-weighted image and diffusion-weighted images (Fig. 2).