This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Neoplasia), Subject name: Surgery
[{'content': 'Most common tumor of hand is? \nSelect and explain. \nA. Enchondroma, B. Chondroblaastoma, C. Giant cell tumour, D. Osteoid osteoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANSWER: (A) EnchondromaREF: Practical Orthopaedic Sports Medicine and Arthroscopy edited by Donald H. Johnson, Robert A. page 425[?] Most common tumour of hand: Ganglion > Enchondroma [?] Most common bony tumour of hand: Enchondroma [?] Most common soft tissue tumour of hand: Ganglion[?] 2nd most common soft tissue tumour of hand: Giant cell tumour of tendon sheath[?] Most common malignanant bone tumour in hand: Chondrosarcoma', 'role': 'assistant'}]