Figure 4 : (A) (Sagittal PD) (B) (Sagittal PD f/s) (C) (Axial GRE ).

Showing discontinuity and fluid signals (arrow) in the suprapatellar region is noted suggesting complete disruption of quadriceps tendon (star) (yellow arrow). Medial patellar retianculum tear is seen (2 black arrows) causing lateral patellar sublaxation. Tortousity of the patellar ligament (yellow arrow) and marked soft tissue edema around knee joint is also evident (curved arrow).

Darwish et al.Medical Imaging and Radiology  2017 5:2DOI : 10.7243/2054-1945-5-2