This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Target lesions are observed in case of 
Select and explain. 
A. Erythema multiforme, B. Lichenplanus, C. Pemphigus vulgaris, D. Psoriasis
A: Erythema multiforme
Answer: A: Erythema multiforme 
Explanation: "Target" or "Iris" or "Bull's eye" lesions on hands, wrists and ankles are characteristic of erythema multiformae.