title: Gout: presentation as a popliteal cyst.
mesh_terms: D004322:Drainage; D006073:Gout / Q000000981:diagnostic imaging* / Q000378:metabolism; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging*; D007719:Knee Joint; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013581:Synovial Cyst / Q000209:etiology*; D013582:Synovial Fluid / Q000032:analysis; D014527:Uric Acid / Q000032:analysis
chemical_list: D014527:Uric Acid