Tuesday 30 October 2012

Auspitz's sign & Koebner phenomenon

NEET-PG HIGH YIELD POINTS:...DDX...?
Answer: Psoriasis
Auspitz's sign is the appearance of punctate bleeding spots when psoriasis scales are scraped off, named after Heinrich Auspitz.

Koebner phenomenon, also called the "Koebner response" or the "isomorphic response", refers to skin lesions appearing on lines of trauma.
The Koebner phenomenon describes skin lesions which appear at the site of injury. It is seen in:

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