Acquired stenosis of external auditory canal - CISMeF
Acquired stenosis of external auditory canalICD-11 Subcategory
ICD-11 code : AA40.1;
Preferred Label : Acquired stenosis of external auditory canal;
ICD-11 definition : Acquired stenosis of external auditory canal was described as resulting from a number
of different causes. Since then, histology and imaging studies of this disease have
shown that a common cascade of inflammatory changes resulting from these different
causes is the primary pathogenesis leading to medial canal fibrosis. Once there is
complete obstruction of the external auditory canal, surgery is the primary treatment.;
Acquired stenosis of external auditory canal was described as resulting from a number
of different causes. Since then, histology and imaging studies of this disease have
shown that a common cascade of inflammatory changes resulting from these different
causes is the primary pathogenesis leading to medial canal fibrosis. Once there is
complete obstruction of the external auditory canal, surgery is the primary treatment.