Patella Dislocation

Question 1

Most common direction

Answer 1

Lateral

Question 2

Test

Answer 2

Apprehensiontest (Fairbank)

Question 3

Dx

Answer 3

MRI for chondral fragments

CT if rotation anomaly is suspected

Question 4

Evaluation

Answer 4

Trochleadysplasie (Dejour)
Index Caton Deschamps
Tibial tuberosity trochlear groove distance
Q Qinkel

Question 5

Conservative if

Answer 5

no dysplasia
no osteochondral lesion
Extension position for 3-4 weeks

Question 6

Operative if

Answer 6

Dysplasia or esteochondral lesions
open if big fragments
arthroscopic allows to investigate other knee structures