Case 223

 A fifteen-year-old boy presented in our hospital with a referring letter. It said he had suspicious fracture of right patella. He took right knee MRI for further investigation (Figs 1-3).

What is your diagnosis ?

1.　Hoffa fat pad impinge

2.　Sleeve fracture

3.　Patella contusion

4.　Osgood Schlatter disease

5.　Sinding-Larsen-Johansson disease

answer

2021.3.10