Large vestibular aqueduct syndrome

A large vestibular aqueduct is one of the commonest radiological abnormalit ies of the inner ear. A case of acute profound unilateral sensorineural hea ring loss and balance disturbance following minor head trauma in the presen ce of an abnormally enlarged vestibular aqueduct is described, The signific ance of a diagnosis of large vestibular aqueduct syndrome, in the presence of serviceable hearing, is that it identifies patients who should refrain f rom activities that increase intracranial pressure to prevent hearing loss.