Backgrounds: Cholesteatmas are classified as congenital or acquired. Congenital cholesteatomas are defined by Derlacki as an embryonic rest of epithelial tissue in the ear without tympanic membrane perforetion and without history of ear infection. Congenital cholesteatomas may be found in the middle ear or in the petrous apex. Objectives: 34 patient's with cholesteatomas without tympanic membra nee perforation frome 5 to 44 ages. Methods: Diagnosing cholesteatoma without tympanic membrane perforation by endoscopy, Audiometre comper with CT scane. Results: There are 3 groups defferall symptoms for 3 positions of the cholesteatomas. Conclusion: Cholesteatomas located in the tympanic cavity always has the conductive hearing loss. Cholesteatomas presented in the ear canal coming from congenital atresia.
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