title: Superior dislocation of the patella--a rare but important differential diagnosis of acute knee pain--a case report and review of the literature.
authors.affiliation: Orthopaedic Department, Arrowe Park Hospital, Wirral Hospitals NHS Trust, Merseyside, Liverpool, UK.
authors.forename: S J
authors.initials: SJ
authors.lastname: Scott
authors.forename: A
authors.initials: A
authors.lastname: Molloy
authors.forename: R A
authors.initials: RA
authors.lastname: Harvey
mesh_terms: D000208:Acute Disease; D003937:Diagnosis, Differential; D006801:Humans; D004204:Joint Dislocations / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology; D010329:Patella / Q000000981:diagnostic imaging / Q000293:injuries*; D011859:Radiography