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  • Title: Expansile bone cyst and cholesteatoma of the temporal bone.
    Author: Hwang HS, Glastonbury CM, Grenert JP, Lustig LR.
    Journal: Otol Neurotol; 2009 Feb; 30(2):170-3. PubMed ID: 19092715.
    Abstract:
    OBJECTIVE: To identify primary bony cysts of the temporal bone. PATIENT: A single case of a woman presenting with unilateral bulging of the temporoparietal cranium, progressive stenosis of the external auditory canal, and maximal conductive hearing loss. INTERVENTION(S): Plain x-rays, magnetic resonance imaging, contrast-enhanced computed tomography, audiogram, and modified radical mastoidectomy. MAIN OUTCOME MEASURE(S): Radiologic and histopathologic diagnosis of a primary bone cyst of the temporal bone obstructing the external auditory canal with a retained cholesteatoma of the middle ear. RESULTS: Identification of an inflammatory bony cyst of the temporal bone with a retained cholesteatoma of the middle ear resulting in stenosis of the external auditory canal and maximal conductive hearing loss. CONCLUSION: Primary bone cyst of the temporal bone can lead to external auditory canal stenosis, middle ear cholesteatoma, and conductive hearing loss.
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