chronic purulent otitis media chronic atticoantral disease https://github.com/monarch-initiative/mondo/issues/9097 https://www.malacards.org/card/chronic_atticoantral_disease UMLS:C0155441 MONDO:0001921 DOID:14248 ICD9:382.2 chronic atticoantral suppurative otitis media A chronic purulent otitis media which involves perforation in the attic region (pars flaccida of the tympanic membrane) or at the posterosuperior margin, with in-growth of squamous epithelium into the middle ear. This is caused as a result of poor ventilation of the middle ear and episodes of infection. ICD10CM:H66.2 MEDGEN:509967 SCTID:267759006