Horizontal Gaze Paresis Due to Pontine Infarct

60 year old lady presented with blurring of vision of 6 hours duration. Clinical examination revealed left-sided horizontal gaze paresis. She had no other focal neurological deficits. MRI Brain showed acute infarct (hyperintense signals on DW images, as shown above) in the left side of pons, affecting its dorso-medial part. Horizontal gaze paresis in pontine