Our experience with 500 patients with benign paroxysmal positional vertigo: Reexploring aetiology and reevaluating MRI investigation

The diagnosis of posterior semicircular canal benign paroxysmal positional vertigo is thought to be relatively easy to make, and the treatment is highly effective. Clinicians should be fully aware of and prepared for the diverse aetiology, and thus have no hesitation in requesting MRI scan as an important investigation.