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[Menière's disease, endolymphatic hydrops and MRI].

Menière's disease is characterized by episodic vertigo associated with fluctuating hearing loss, tinnitus and fullness of the ear on the affected side. Endolymphatic space enlargement - or endolymphatic hydrops (EH) - is a histological hallmark of the disease that does not explain all its clinical manifestations. Magnetic resonance imaging improvements now allow in vivo visualization of inner ear liquid spaces and appreciation of potential EH. This article discusses these advances and their potential diagnostic implications in the context of Menière's disease and more generally in cochleovestibular disorders.