Surgery X-ray of tibia shows a growth on the bone. Biopsy shows the tumor is benign in nature. Which is the commonest true benign bone tumour? A Bony cyst B Chondroma C Chordoma D Osteoid osteoma 💡 Explanation X-ray of tibia shows a growth on the bone. Biopsy shows the tumor is benign in nature. Which is the commonest true benign bone tumour? ✓ Correct Answer: D. Osteoid osteoma