Presentation
Sudden onset of pain and swelling of the knee while playing sport.
Patient Data
Age: 15 years
Gender: Male
From the case:
Patellar avulsion fracture
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Frontal

An avulsion fracture of the inferior pole of the patella, with significant retraction, is present.
Case Discussion
Avulsion fracture of the inferior pole of the patella with a high-riding patella and significant soft tissue swelling.