This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Orthopaedics
Development of Chondrosarcomas is related with - 
Select and explain. 
A. Maffucci syndrome, B. Felty syndrome, C. Ollier's disease, D. None of the above
A: Maffucci syndrome
Answer: A: Maffucci syndrome 
Explanation: MAFUCCI&;S SYNDROME * Maffucci syndrome is a congenital non hereditary mesodermal dysplasia characterised by multiple enchondromas with soft-tissue cavernous haemangiomas. * Imaging findings are multiple enchondromas seen associated with soft tissue swelling and pliboliths. * Enchondromas degenerate into chondrosarcomas in 15-51% of cases and soft-tissue haemangiomas to vascular sarcomas in 3-5%. ref : maheswari 9th ed