title: Comparison of ultrasound and positive contrast arthrography in the diagnosis of popliteal and calf swellings.
mesh_terms: D002062:Bursitis / Q000175:diagnosis / Q000000981:diagnostic imaging; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging; D007719:Knee Joint; D011859:Radiography; D013577:Syndrome; D013581:Synovial Cyst / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography