This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psoriasis, Subject name: Skin
Auspitz sign is seen in - 
Select and explain. 
A. Plaque psoriasis, B. Lichen planus, C. Pustular psoriasis, D. Icthyosis
A: Plaque psoriasis
Answer: A: Plaque psoriasis 
Explanation: Ans. is 'a' i.e., Plaque psoriasis Auspitz signo 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.