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: Dental
Pseudoisomorphic phenomenon is seen in – 
Select and explain. 
A. Psoriasis, B. Lichen planus, C. Vitiligo, D. Plane warts
D: Plane warts
Answer: D: Plane warts 
Explanation: None