title: Editorial response: Why a duck?--Or for that matter, why a cyst?
authors.forename: M R
authors.initials: MR
authors.lastname: Liebling
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007719:Knee Joint; D011151:Popliteal Cyst / Q000150:complications* / Q000175:diagnosis / Q000628:therapy; D013203:Staphylococcal Infections / Q000150:complications* / Q000175:diagnosis