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Surgical Treatment of an Endolymphatic Sac Tumor
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Surgical Treatment of an Endolymphatic Sac Tumor

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Solitary metastasis of lung carcinoma to the internal auditory canal

Andreas Schrock1, Wiebke Laffers, Friedrich Bootz

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Bonn, Bonn, Germany. andischroeck@web.de

American Journal of Otolaryngology
|May 2, 2006
PubMed

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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
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