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: Surgery
[{'content': 'Subperiosteal resorption that is most apparent on the radial aspect of the middle phalanx of the second and third fingers is seen in: \nSelect and explain. \nA. Hypehyroidism, B. Hyperparathyroidism, C. Osteoporosis, D. Osteogenesis imperfecta', 'role': 'user'}, {'content': "Answer: B \nExplanation: Advanced primary hyperparathyroidism with osteitis fibrosa cystica now occurs in It has pathognomonic radiologic findings, which are best seen on x-rays of the hands and are characterized by subperiosteal resorption (most apparent on the radial aspect of the middle phalanx of the second and third fingers), bone cysts, and tufting of the distal phalanges. Ref: Schwaz's principle of surgery 9th edition, chapter 38.", 'role': 'assistant'}]