Snowstorm appearance of knee joint with multiple loose bodies is seen in?: (A) chondromalacia patellae, (B) Ewings sarcoma of knee joint, (C) Fracture involving articular surface, (D) Synovial chondromatosis
Answer is D. ANSWER: (D) Synovial chondromatosisREF: The Journal of bone and joint surgery: British volume: Volume 71, Pages 549-912, http:// www.springerlink.com/content/17m54n357304205m/Snowstorm knee:Seen in Synovial chondromatosisTraumatic etiologyJoint effusionNumerous brilliant white rice-grain size free bodies in arthroscopy (not radiographically)