title: Arthroscopy in the diagnosis of occult dislocation of the patella.
abstract: The authors investigated the incidence of acute patellar dislocation by clinical and radiologic examination and by arthroscopy. Acute patellar dislocation represented 2.44% of all knee injuries in their series, and only 25% of the former were evident at the initial examination.
authors.forename: P P
authors.initials: PP
authors.lastname: Casteleyn
authors.forename: F
authors.initials: F
authors.lastname: Handelberg
mesh_terms: D001182:Arthroscopy; D006801:Humans; D004204:Joint Dislocations / Q000175:diagnosis* / Q000000981:diagnostic imaging; D010329:Patella / Q000000981:diagnostic imaging / Q000293:injuries*; D010808:Physical Examination; D011859:Radiography