Abstract
Benign paroxysmal positional vertigo is the most common etiology of peripheral vertigo and is caused by the hydrodynamic influence from free-floating canaliths. Any of the 3 semicircular canals can be involved, but posterior canal BPPV is the predominant subtype. The condition is diagnosed clinically, and the preponderance of cases resolve spontaneously or are amenable to particle-repositioning maneuvers. A small subset of patients experience intractable symptoms for which surgical intervention can be considered. Transmastoid posterior canal occlusion surgery has been demonstrated to be a safe and curative procedure insofar as it can eradicate vertiginous symptoms while preserving auditory function.
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