This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin lesions and disorders of pigmentation, Subject name: Dental
[{'content': "Most common endocrine disturbance associated with vitiligo \nSelect and explain. \nA. Addison's disease, B. Thyroid disease, C. Diabetes insipidus, D. Diabetes mellitus", 'role': 'user'}, {'content': 'Answer: B \nExplanation: vitiligo is associated with autoimmune systemic disorders like pernicious anemia,addisons disease,graves disease, hyper or hypothyroidism,thyroiditis, hyperparathyroidism,diabetes mellitus most common is thyroid disorders occuring in 0.6-38%. most common is hypehyroidism IADVL textbook of dermatology pg 753', 'role': 'assistant'}]