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Blackburne's technique [1 record]

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Alphabetical list of terms

Record 1 2011-07-21

English

Subject field(s)
  • Radiography (Medicine)
  • Bones and Joints
DEF

A technique for assessing patella alta on a lateral radiograph with the knee flexed 30°. The ratio of the height of the lower pole of the articular cartilage above the tibial plateau to the articular length of the patella is measured.

OBS

The normal value is defined as 0.8, and patella alta is present when the ratio is greater than 1.0.

French

Domaine(s)
  • Radiographie (Médecine)
  • Os et articulations
DEF

Méthode permettant d'évaluer une malposition haute de la rotule sur un cliché de profil, le genou fléchi à 30°. Le rapport entre la distance séparant l'extrémité inférieure de la surface articulaire de la rotule à la tangente au plateau tibial et la longueur de la surface articulaire de la rotule est normalement de 0,8.

OBS

Un résultat égal ou supérieur à 1 traduit une malposition haute.

Spanish

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