Sinding-Larsen-Johansson disease

Case contributed by Dr Aneta Kecler-Pietrzyk


Adolescent football player. Ongoing infrapatellar knee pain associated with on-and-off overlying soft tissue swelling. No history of trauma.

Patient Data

Age: 13 years
Gender: Male

Calcification of proximal insertion of patellar tendon, best appreciated on lateral view. Mild overlying soft tissue swelling.

No fracture or dislocation. No joint effusion.

Case Discussion

Sinding-Larsen-Johansson disease typically causes infrapatellar knee pain in active adolescent male patients. 

It is considered to be the pediatric version of "jumper's knee".

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Case information

rID: 55672
Published: 23rd Sep 2017
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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