ICD-11 definition : A fluctuant collection of purulent exudate and necrotic tissue located in the external
auditory canal or in the soft tissues of the pinna, most commonly due to Staphylococcus
aureus.;
A fluctuant collection of purulent exudate and necrotic tissue located in the external
auditory canal or in the soft tissues of the pinna, most commonly due to Staphylococcus
aureus.