MUSICAL AUDITORY HALLUCINOSIS FROM LISTERIA-RHOMBENCEPHALITIS

Background: Complex auditory hallucinations have rarely been reported in cases of brainstem stroke or tumor. Method: Case study. Results: A patient with acute Listeria rhombencephalitis complained of formed mus ical auditory hallucinations on the side of recent sensorineural deafn ess, MRI revealed an abscess in the middle cerebellar peduncule with e xtensive surrounding edema. Conclusions: Disruption of brainstem audit ory pathways may cause complex auditory hallucinations. Potential path ogenetic mechanisms are discussed and a diagnostic approach is propose d.