This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': "Primary Skin lesion are seen in all except NOT RELATED-DERMATOLOGY \nSelect and explain. \nA. Bowen's disease, B. Reiter's, C. Psoriasis, D. Lichen planus", 'role': 'user'}, {'content': 'Answer: A \nExplanation: The primary lesions are macule, papule, plaque, vesicle, bulla and wheal. The secondary lesions are the changes consequent to the disease process psoriasis--plaque, Lichen planus, papules and Reiters--plaque like psoriasis.BOWENS DISEASE IS A VERY EARLY FORM OF SKIN CANCER. IT IS SOMETIMES KNOWN AS CARCINOMA IN SITU', 'role': 'assistant'}]