Fig. 1

Incident BML and meniscal tear. a Baseline sagittal intermediate-weighted fat suppresed image shows normal cartilage coverage of the medial femur and tibia and no meniscal damage. There is a definite osteopyhte at the posterior femur (arrow). b Follow-up image shows incident BML at the anterior medial tibia (short, large arrows) and an incident vertical meniscal tear at the posterior horn of the medial meniscus (arrowhead). In addition there is a small loose body posterior to the meniscus (long, thin arrow)