title: [Ossifying bursitis praepatellaris of the knee joint].
abstract: A 53-year-old patient was admitted to our hospital with a tumour at the site of the left knee joint praepatellar. The diagnostic imaging, operative findings and histology showed a chronic ossifying bursitis praepatellaris of the knee joint. Aetiology and pathogenesis of the ossifying bursitis are discussed.
authors.affiliation: Unfall- und Wiederherstellungschirurgie, St. Georg Klinikum Eisenach. erler@stgeorgklinikum.de
authors.forename: M
authors.initials: M
authors.lastname: Erler
mesh_terms: D002061:Bursa, Synovial / Q000473:pathology / Q000601:surgery; D002062:Bursitis / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*; D009999:Ossification, Heterotopic / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*; D010329:Patella / Q000473:pathology / Q000601:surgery*; D014463:Ultrasonography