Question

A 55-year-old man with chronic kidney disease stage 4 presents with bone pain and fractures. Labs show hypocalcemia, hyperphosphatemia, and markedly elevated PTH. What is the most likely diagnosis?

Accepted Answer

Secondary hyperparathyroidism due to chronic kidney disease

Answer

Primary hyperparathyroidism

Answer

Tertiary hyperparathyroidism

Answer

Osteomalacia due to vitamin D deficiency only

Answer

Paget disease of bone

Practice question

A 55-year-old man with chronic kidney disease stage 4 presents with bone pain and fractures. Labs show hypocalcemia, hyperphosphatemia, and markedly elevated PTH. What is the most likely diagnosis?