obsolete_cholesteatoma of middle ear true true Cholesteatoma of the middle ear MESH:D018424 middle ear cholesteatoma http://purl.obolibrary.org/obo/MONDO_0006533 ICD10:H71 cholesteatoma, middle ear DOID:10964 MedDRA:10008645 Cholesteatoma of middle ear and mastoid DOID:11433 A mass of KERATIN-producing squamous EPITHELIUM that resembles an inverted (suck-in) bag of skin in the MIDDLE EAR. It arises from the eardrum (TYMPANIC MEMBRANE) and grows into the MIDDLE EAR causing erosion of EAR OSSICLES and MASTOID that contains the INNER EAR. Sirarat Sarntivijai Epidermosis of middle ear 3.88.0 Replaced by Mondo term MONDO_0006533, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006533