Medicine a 45 year old man, known case of chronic renal failure develops rugger jersy spine. The probable Cause it- A aluminium intoxication B Secondary hyperparathyroidism C Osteoporosis D osteomalacia 💡 Explanation a 45 year old man, known case of chronic renal failure develops rugger jersy spine. The probable Cause it- ✓ Correct Answer: B. Secondary hyperparathyroidism