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General Medicine · Endocrinology and diabetes: Paget disease of bone
Sample itemA 65-year-old man has increasing head size and bone pain. Serum calcium and phosphate are normal and ALP is markedly elevated. X-ray of the skull shows thickened bone with patchy density. What is the treatment of choice?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Bisphosphonate
Paget disease is increased bone remodelling with disorganised bone, a raised ALP and normal calcium. Bisphosphonates such as zoledronate suppress turnover and are the treatment of choice for symptomatic or high-risk disease. Complications include deafness, fractures and osteosarcoma.
Option by option
A. Vitamin D with calcium alone
Calcium with vitamin D does not control the remodelling.
B. Calcitonin as sole long-term therapy
Calcitonin is a weaker alternative used when bisphosphonates cannot be given.
C. Teriparatide
Teriparatide stimulates bone formation and is used for osteoporosis, not Paget disease.
D. Bisphosphonate (correct)
Correct. Bisphosphonates suppress the overactive osteoclast turnover.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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