Presentation
Chronic knee pain, football player.
Patient Data
Age: 11 years
Gender: Male
From the case:
Sinding-Larsen-Johansson disease
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Mild tendinosis of the patellar tendon proximal attachment evidenced by mild focal thickening and intrasubstance increased signal, yet no evidence of fibers disruption. Associated marrow edema of the related lower patellar pole with soft tissue edema of the adjacent Hoffa’s fat pad. Features are suggestive of Sinding-Larsen-Johansson syndrome.
Small subcortical patchy marrow edema is seen involving the medial femoral epiphysis
Minimal knee joint effusion
Case Discussion
MRI findings are suggestive of Sinding-Larsen-Johansson disease a pediatric version of "jumper's knee".
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