Acute dislocation of the patella: Clinical, radiographic and operative findings in 64 consecutive cases

The clinical, radiographic and operative findings in 64 consecutive acute dislocations of the patella were analyzed. Both patellofemoral joints were symptomless before dislocation in 58 patients. The sulcus angle of the femur on the affected side was larger than on the contralateral side in one half...

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Bibliographic Details
Published inActa orthopaedica Vol. 57; no. 4; pp. 331 - 333
Main Authors Vainionpää, Seppo, Laasonen, Erkki, Pätlälä, Hannu, Rusanen, Matti, Rokkannen, Pentti
Format Journal Article
LanguageEnglish
Published England Informa UK Ltd 1986
Subjects
Acute Disease
Adolescent
Adult
Athletic Injuries - diagnostic imaging
Athletic Injuries - surgery
Child
Female
Hemarthrosis - diagnostic imaging
Hemarthrosis - surgery
Humans
Joint Dislocations - diagnostic imaging
Joint Dislocations - surgery
Male
Middle Aged
Patella - diagnostic imaging
Patella - injuries
Patella - surgery
Radiography
Rupture
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Summary:The clinical, radiographic and operative findings in 64 consecutive acute dislocations of the patella were analyzed. Both patellofemoral joints were symptomless before dislocation in 58 patients. The sulcus angle of the femur on the affected side was larger than on the contralateral side in one half, and a fresh marginal patellar fracture was demonstrated in one third of the cases. The stability of the patella could not be reliably estimated in tangential views taken with the knee in 20 degrees flexion; especially false negative findings were numerous.
ISSN:1745-3674
0001-6470
1745-3682
DOI:10.3109/17453678608994404