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: Medicine
[{'content': '"Hour-glass" shape of the chest and "tri-radiate pelvis" are seen radiologically in - \nSelect and explain. \nA. Thyrotoxicosis, B. Myxedema, C. Osteomalacia, D. Hypehyroidism', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer- C. Osteomalacia Acetabuli protrusioLooser's zone (pseudofracture)Decreased bone densityTriadiate pelvis (females)", 'role': 'assistant'}]