title: Osteonecrosis of the knee detected only by magnetic resonance imaging.
authors.affiliation: Department of Orthopaedic Surgery, Lahey Clinic Medical Center, Burlington, Mass.
authors.forename: W L
authors.initials: WL
authors.lastname: Healy
mesh_terms: D000328:Adult; D003952:Diagnostic Imaging; D005271:Femur Head Necrosis / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D007717:Knee; D008279:Magnetic Resonance Imaging; D008297:Male; D010020:Osteonecrosis / Q000175:diagnosis* / Q000473:pathology