Intraoperative Electrocochleography of Posterior Fossa Tumors Producing Menière's Syndrome.

Objectives: Intraoperative electrocochleography (ECochG) has provided insight regarding inner ear pathophysiology during neurotologic procedures. In this study, intraoperative ECochG findings are reported in patients who presented with episodic aural and vestibular symptoms during resection of posterior fossa neoplasms.

Patients: Three patients with episodic vertigo who underwent resection of posterior fossa tumors.