Assertion: atresia | /r/RelatedTo | treacher collins
Facets:
Source sentences:
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