Upbeat-torsional nystagmus due to a small pontine hemorrhage: A case report

Although dizziness with torsional nystagmus is known to be observed in patients with posterior canal benign paroxysmal positional vertigo, when it is sudden, persistent, and occurs independent of head repositioning, central lesions should be considered. Stroke in the brainstem should be considered first, especially in patients with vascular risk factors.