- plain x-rays of knee
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Ordered in accordance with the Ottawa knee rules to exclude bony injury. Anteroposterior, lateral, and patellofemoral views are often sufficient.
Pellegrini-Stieda lesions (a calcification that develops adjacent to the adductor tubercle) suggest a collateral ligament injury that is more than 6 weeks old. They are best seen in the anteroposterior view.
| may show associated fracture of the tibial plateau, patella, or distal femur; calcification adjacent to the adductor tubercle is typical of a Pellegrini-Stieda lesion in chronic situations |
