This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal infections, Subject name: Anatomy
Development of chondrosarcoma is related with 
Select and explain. 
A. Maffucci syndrome, B. Felty syndrome, C. Olliers disease, D. None of the above
A: Maffucci syndrome
Answer: A: Maffucci syndrome 
Explanation: Answer a and c Chondrisarcoma developing in patients with Olliers and Maffucci syndrome syndrome is called secondary chondroblastoma sarcoma Refer ohopedic pathology by Vincent PG p 401