title: Spontaneous osteonecrosis of the knee (SONK).
authors.affiliation: Department of Diagnostic Radiology, Clinique St-Luc, Bouge, Belgium.
authors.forename: A M
authors.initials: AM
authors.lastname: Filip
authors.forename: S B
authors.initials: SB
authors.lastname: Van den Broeck
mesh_terms: D000369:Aged, 80 and over; D018771:Arthralgia / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000473:pathology*; D008279:Magnetic Resonance Imaging / Q000379:methods; D010020:Osteonecrosis / Q000150:complications / Q000175:diagnosis*