Exostosis of the external auditory canal
House Ear Clinic, Los Angeles, USA.Ear, nose, & throat journal (Impact Factor: 1). 04/2006; 85(3):142.
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ABSTRACT: External auditory canal (EAC) lesions are an infrequent cause of temporal bone CT scan requests. Usually, we are not familiar with lesions located in the EAC. The purpose of our study was to reconfirm the knowledge necessary for a differential diagnosis according to the location and findings related to boney erosion. The EAC lesion is an extremely uncommon and rarely studied cause of temporal bone CT scan requests. However, we believe radiologists should recognize the precise anatomy and embryology of EAC and radiological findings, especially bone destruction and/or erosion, in order to differentiate malignancies from benign lesions and avoid adverse events in surgery.
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