Psoriatic dermatitis may extend into the external auditory canal. In this case, the superficial external auditory canal shows a collection of white, silvery, scaly debris.
Note the sharply demarcated salmon coloured plaques of psoriasis just below the helical rim. The upper portion of the lesion is covered with the characteristic silvery scales.
When psoriasis involves the superficial external canal skin, the desquamated parakeratotic debris assembles within the external canal as silvery-white flakes.
There is a sharply demarcated, salmon coloured plaque of psoriasis just below the helical rim. The upper portion of the lesion is covered with the characteristic silvery release scales of psoriasis.
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