Orthopaedics Avascular necrosis is seen in -a) Sickle cell diseaseb) Thalassemiac) Polycythemiad) Hyperparathyroidism A a B bc C ac D b 💡 Explanation Avascular necrosis is seen in -a) Sickle cell diseaseb) Thalassemiac) Polycythemiad) Hyperparathyroidism ✓ Correct Answer: C. ac