This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous disorders, Subject name: Dental
Pseudoisomorphic phenomenon is seen in - 
Select and explain. 
A. Psoriasis, B. Lichen planus, C. Vitiligo, D. Plane Was
D: Plane Was
Answer: D: Plane Was 
Explanation: pseudo koebner's phenomenon:-Occurrence of new anisomorphic lesions in a linear fashion due to autoinoculation of virus along the lines of taruma. Seen in was, molluscum contagiosum koebner's phenomenon:Occurrence of new isomorphic lesions over the site of trauma.Seen in psoriasis,Lichen planus ,Vitiligo. IADVL textbook of dermatology page 107