A popliteal cyst with a large osteochondral mass.
D001859:Bone Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging; D002812:Chondroma / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D005360:Fibula / Q000000981:diagnostic imaging; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging; D008875:Middle Aged; D011859:Radiography; D013581:Synovial Cyst / Q000150:complications* / Q000000981:diagnostic imaging