PMC5469217_01
Clinical presentation before surgery
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F1
On the right side also, patellar ligament was destroyed, tubercle of tibia and lower pole of patella were exposed, but the joint cavity seemed to be intact [Figure 1].
(a and b) Reconstruction patellar tendon by semitendinosus tendon
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F2
Thereafter, the semitendinosus tendon was passed through patella from medial to lateral side and then passed in reverse direction through the tibial tunnel and fixed to distal intact insertion of semitendinosus, thus forming a loop; the tension of the reconstructed tendon was adjusted by sutured in 30  of flexion of knee joint [Figure 2a and b].
(a) Full extension of the left knee. (b) 90  flexion of the left knee
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F3
The patient thus achieved a good range of motion of the right knee joint [Figure 3a and b] and walking without any assistance [Video 1].