This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': "Pre tibial myxedema occurs in? \nSelect and explain. \nA. Hypothyroid, B. Hyperthyroidism, C. Hashimoto, D. Graves' disease", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. D. Graves' diseasea. Pre tibial myxedema occurs in dermopathy of Grave diseaseb. Ophthalmopathy may occur in some cancer of Hashimoto but Dermopathy occur only in Grave disease. They do not occur in any other cause of hyperthyroidism.c. Grave disease is a type of hyperthyroidism but all hyperthyroid are not Grave Diseased. It is may be associated with other autoimmune diseases: vitiligo, Type 1 DM, Addison's disease.", 'role': 'assistant'}]