title: Acute onset of knee pain.
authors.affiliation: Division of Radiology, Cleveland Clinic Foundation, OH 44195, USA. schilsj@ccf.org
authors.forename: J
authors.initials: J
authors.lastname: Schils
authors.forename: M
authors.initials: M
authors.lastname: Kline
mesh_terms: D000208:Acute Disease; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging*; D008875:Middle Aged; D010020:Osteonecrosis / Q000000981:diagnostic imaging*; D010146:Pain / Q000000981:diagnostic imaging*; D011859:Radiography