Medicine A 45 year old man, known case of chronic renal failure develops rugger jersey spine. The probable cause is A Aluminium intoxication B Secondary hyperparathyroidism C Osteoporosis D Osteomalacia 💡 Explanation A 45 year old man, known case of chronic renal failure develops rugger jersey spine. The probable cause is ✓ Correct Answer: B. Secondary hyperparathyroidism