HYPOTHESIS Cochlear dysfunction is not common in human meningioma of the internal auditory canal. BACKGROUND Meningiomas arising from the cerebellopontine angle and internal auditory canal typically cause hearing loss. Cochlear dysfunction is known to contribute to sensorineural hearing loss induced by vestibular schwannoma, the most common tumor of the internal auditory canal. Detailed cochl...

background many clinical and experimental studies have been done to analyze the anatomical and functional aspects of the internal auditory canal (iac) in human beings since there are great inter-individual variability and structural variations that may occur regarding the other adjacent structures. objectives the purpose of this study was to characterize the morphology of the internal auditory ...

Intradermal nevi are common benign pigmented skin tumors. Their occurrence within the external auditory canal is uncommon. The clinical and pathologic features of an intradermal nevus arising within the external auditory canal are presented, and the literature reviewed.

Osteomas of the petrous temporal bone are rare and seldom symptomatic. This report describes an osteoma of the internal auditory canal, causing compression of the eighth nerve, leading to auditory and vestibular complaints. The symptoms were abolished by surgical decompression of the internal auditory canal and removal of the osteoma.

Metastasis to the internal auditory canal is rare and bilateral occurrence has been documented by a few case reports only.

This paper reports the first case of fibroepithelial polyp arising independently of the external auditory canal. A 16-year-old female patient presented to our clinic for aural fullness of the left side. Physical examination revealed a papillomatous tumor at the posterior wall of the inlet of the left external auditory canal. After biopsy, which yielded a diagnosis of benign papilloma, the patie...