Otitis externa
Erythema, scale, atrophy, and scarring due to conchal bowl discoid lupus erythematosus (Shuster's sign)
Keywords: Adherent scale, Ear, External ear, Purplish hue, Reddish-purple plaques, Shuster's sign, Yellow exudate
What is otitis externa?
Otitis externa, also called external otitis or ‘swimmer’s ear’, is a common inflammatory condition of the external auditory canal (the ear canal). It is characterised by redness, swelling, scaling, and thickening of the ear canal skin lining; and varying degrees of discomfort, itch, ear discharge, and hearing loss.
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Source: dermnetnz.org