title: Idiopathic osteonecrosis of the patella: an unusual cause of pain in the knee. A case report.
authors.affiliation: Kalamazoo Center for Medical Studies, Michigan State University 49001.
authors.forename: R F
authors.initials: RF
authors.lastname: LaPrade
authors.forename: M A
authors.initials: MA
authors.lastname: Noffsinger
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D010020:Osteonecrosis / Q000150:complications* / Q000175:diagnosis; D010146:Pain / Q000209:etiology*; D010329:Patella / Q000000981:diagnostic imaging / Q000473:pathology; D011877:Radionuclide Imaging; D014057:Tomography, X-Ray Computed