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