Patella X-Ray "Laurin" (30°)
Objective
Visualise the patellofemoral joint at minimal flexion to assess early patellar tracking.
Quality criteria
Patellofemoral joint visible at minimal flexion.
Trochlear sulcus angle measurable.
Congruence angle assessable.
Common errors
Flexion other than 30°.
Incorrect beam angulation.
Movement.
Paziente seduto (o semi-supino) con ginocchio flesso a 20-30°. Detettore appoggiato sulla faccia anteriore delle cosce,…
Full card in the app
Positioning, centring, DR/CR parameters and practical notes
