Dorsal defect patella

Case contributed by Domenico Nicoletti
Diagnosis certain


Atraumatic knee pain

Patient Data

Age: 15 years
Gender: Male

Round osteolysis (1 cm) surrounded by sclerosis at the superior pole of the patella.


Benign osteochondral lesion laterally on the superior pole of the patella. There is bone marrow edema on the medial side of the patella.

Case Discussion

Acknowledgment: Dr Francesco Filieri

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