Neuroanatomical considerations of isolated hearing loss in thalamic hemorrhage

Abstract Background and importance Thalamic lesions are associated with a wide variety of clinical syndromes. Due to the close anatomic proximity of the nuclei, many of these syndromes have considerable overlap in clinical sequelae and, as such, a lesion affecting only one modality is exceedingly ra...

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Published inInterdisciplinary neurosurgery : Advanced techniques and case management Vol. 6; no. C; pp. 42 - 44
Main Authors Agarwal, Nitin, M.D, Quinn, John C., M.D, Zhu, Xiao, B.A, Mammis, Antonios, M.D
Format Journal Article
LanguageEnglish
Published Elsevier 01.12.2016
Subjects
Hearing loss
Medical Education
Neurosurgery
Thalamic syndrome
Thalamus
Thalamus
Thalamic syndrome
Hearing loss
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Summary:Abstract Background and importance Thalamic lesions are associated with a wide variety of clinical syndromes. Due to the close anatomic proximity of the nuclei, many of these syndromes have considerable overlap in clinical sequelae and, as such, a lesion affecting only one modality is exceedingly rare. Clinical presentation In this case, a 55 year-old right handed man with a past medical history significant for hypertension, polysubstance abuse, and a 25 year history of seizure disorder following clipping of a middle cerebral artery aneurysm presented with isolated bilateral hearing loss. Conclusion Presumably, this neurological deficit was caused by a hypertensive hemorrhage in the posterior right thalamus. The following case and discussion will review the potential neuroanatomical pathways that we suggest could make isolated hearing loss be part of a “thalamic syndrome.”
ISSN:2214-7519
2214-7519
DOI:10.1016/j.inat.2016.07.003