Term Name:	chronic atticoantral disease
Synonyms:	chronic atticoantral suppurative otitis media
Definition:	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.
Ontology:	Human Disease [DOID:14248]   ( DOID:14248 )