. 2019 May 9;40(5):e548–e555. doi: 10.1097/MAO.0000000000002198

TABLE 2.

Proposed endolymphatic sac pathology-based endotyping

Clinical Diagnosis	Disease Laterality^a	α_exit (Affected/Non-Affected)	Endotype Diagnosis
Definite Menière's disease	Unilateral	>140 degrees/<120 degrees	Unilateral hypoplastic
		<120 degrees/<120 degrees	Unilateral degenerative, bilateral degenerative^b
		>140 degrees/>140 degrees	Bilateral hypoplastic^b
	Bilateral	<120 degrees/<120 degrees	Bilateral degenerative
		>140 degrees/>140 degrees	Bilateral hypoplastic

^aAt time of study.

^bWith initial unilateral clinical presentation.