This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
[{'content': 'These skin changes developed during treatment for end-stage renal failure. What is the diagnosis? \nSelect and explain. \nA. Amyloidosis, B. Nephrogenic fibrosing dermopathy, C. Syphilis, D. Scleroderma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer B. Nephrogenic fibrosing dermopathyNephrogenic fibrosing dermopathy is characterized by diffuse, cutaneous, hyperpigmented, brawny induration, erythematous or skin-colored plaques with irregular borders. The cause of nephrogenic fibrosing dermopathy is unknown.', 'role': 'assistant'}]