Presentation
Degenerative joint disease. History of recurrent pain at the patellar apex since childhood.
Patient Data
Age: 50 years
Gender: Female
From the case:
Sinding-Larsen-Johansson disease (old)
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_pin":false},"extraPropsURL":"/studies/20357/annotated_viewer_json?lang=us"}
Small ossicle within the patellar ligament near the apex.
Case Discussion
This finding in adults is usually indicative of a healed traction apophysitis of the patellar apex (Sinding-Larsen-Johansson disease).