Presentation
Recent trauma. Incidental finding.
Patient Data
Age: 45 years
Gender: Female
From the case:
Cortical desmoid
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A saucer-shaped radiolucent cortical defect involving the posteromedial aspect of the distal femoral metaphysis, typical for cortical desmoid.
Alignment is normal. No fracture or joint effusion.
Case Discussion
This case consistently presents a cortical desmoid as an incidental finding in a patient with recent trauma. However, it's essential to recognize that a cortical desmoid is not histologically associated with true desmoid tumors. It represents a 'tug' lesion due to repetitive stress at the attachment of the medial head of gastrocnemius or distal adductor magnus at the posterior medial aspect of the distal femoral metaphysis, and it is a “don’t touch” lesion.
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