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: Skin
[{'content': 'Pseudo isomorphic phenomenon is seen in? \nSelect and explain. \nA. Vitiligo, B. Lichen planus, C. Psoriasis, D. Was', 'role': 'user'}, {'content': "Answer: D \nExplanation: Was REF: Roxburgh's 17'h ed page 130-132, rook's- 7'h ed p. 35.1-35.63 Isomorphic or kobner's phenomenon is seen in: (Appearance of lesion at the site of minor trauma) Lichen planus Psoriasis Kaposi sarcoma Molluscum contagiosum Was Vitiligo DLE Pseudoisomorphic pheonomenon (is due to autoinoculation and is seen in infections like) Plane was Molluscum contagiosum Eczematous lesions", 'role': 'assistant'}]