title: Atypical popliteal cyst due to lateral synovial herniation.
mesh_terms: D000328:Adult; D003560:Cysts / Q000000981:diagnostic imaging / Q000209:etiology*; D005260:Female; D006547:Hernia / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging; D011859:Radiography; D013583:Synovial Membrane / Q000000981:diagnostic imaging