title: [Acoustic neurinoma: extreme cases].
abstract: After relating two cases of retro-cochlear affection, where the relation between the first clinical impression and the final diagnosis is not evident, the author emphasizes on the importance of using objective diagnostic methods. Particularly, the discovery of retro-cochlear tumors owing to the study of evoked potentials and the blink reflex.
mesh_terms: D000328:Adult; D001767:Blinking; D003937:Diagnosis, Differential; D004584:Electronystagmography; D005071:Evoked Potentials; D006312:Hearing Loss, Bilateral / Q000209:etiology; D006801:Humans; D007759:Labyrinth Diseases / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009464:Neuroma, Acoustic / Q000150:complications / Q000175:diagnosis*
vernacular_title: Neurinome de l'acoustique: cas extrêmes.