From: Accuracy of cartilage-specific 3-Tesla 3D-DESS magnetic resonance imaging in the diagnosis of chondral lesions: comparison with knee arthroscopy
Grade
Femur
Tibia
Patella
Trochlea
GI
84/9
80/8
49/17
35/4
GII
38/26
53/30
27/24
13/10
GIII
23/16
19/12
19/18
3/3
GIV
13/13
8/7
4/4
5/5