Assertion: atresia | /r/RelatedTo | klippel-feil
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text: Atresia and microtia may be associated with syndromes including: Treacher Collins, Crouzon’s, Apert’s, Klippel-Feil, PreifferExamples would be congenital or early onset of otosclerosis (calcium deposits develop on middle ear bones), middle ear structures damaged due to cholesteatoma , or changes to the eardrum and ossicles due to continuous middle ear disease (chronic ear