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What is Tiny bleeding spots on removal of scales, are known as? and explain in detail?
Ans. is 'a' i.e., Auspitz sign Auspitz sign* It is a bed side test used for the diagnosis of psoriasis vulgaris/ plaque psoriasis. In this, removal of scales leads to pin point bleeding (punctate red dots) in psoriatic lesion.Bed side tests for psoriasis* Scrapping of psoriatic lesion with a glass slide leads to accentuation of the silvery scales (Grattage test). On further scrapping, a glistening white adherent membrane appears (Burkey's membrane). On removing this membrane, there is pin point bleeding occurs (Auspitz sign)