malignant otitis externa https://www.malacards.org/card/malignant_otitis_externa An otitis externa which involves infection of the external ear that has spread to involve the skull bone containing part of the ear canal, the middle ear, and the inner ear. It is caused by the bacteria Pseudomonas. This is common in people with weakened immune systems and in older people with diabetes. MONDO:0001050 icd11.foundation:984580942 DOID:10516 UMLS:C0155395 SCTID:94146005 ICD10CM:H60.2 ICD9:380.14 MEDGEN:509950 otitis externa