Table 3 Frequency of each finding as detected by ultrasonography

Joint effusion

54

4

5

92

Trochlear cartilage defect

23

2

9

121

Superficial infrapatellar tissue edema

24

0

7

124

Synovial plica

22

0

6

127

Patellar tendinopathy

21

0

4

130

Patellar cartilage defect

0

0

23

132

Suprapatellar fat impingement

16

0

3

136

Hoffa’s fat pad impingement

12

0

6

137

Quadriceps tendinopathy

14

0

2

139

Infrapatellar bursitis

4

0

2

149

Bipartite patella

2

0

0

153