Orthopaedics Bone Tumour b9e8bc7b Chondroblastoma most commonly occurs in : A Metaphysis B Diaphysis C Epiphysis D Medullary cavity High-Yield Explanation Ans. is 'c' ie Epiphysis Apley's orthopedics writes - "Chondroblastoma is one of the few lesion to appear primarily in the epiphysis"