Sinding-Larsen-Johansson disease

Case contributed by Dr Javier Fager


Knee pain. No history of trauma.

Patient Data

Age: 8
Gender: Male

Irregular calcifications of the proximal insertion of the patellar tendon in keeping with Sinding-Larsen-Johansson disease.

Case Discussion

It is an osteochondrosis caused by chronic avulsion injury common between the ages of 10-12 years.

Patellar tendon repetitive traction  can cause calcification or irregular ossification of the lower pole of the patella, causing pain. It is typically associated with activities like running, hiking, climbing stairs or kneeling.

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Case information

rID: 38972
Published: 17th Aug 2015
Last edited: 10th Sep 2015
Inclusion in quiz mode: Included

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