PMC8776644_01
Pre-operative left lower limb lateral side skin status with multiple retractile scars.
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F1
Clinically, multiple retractile scars were found on the lateral side of the thigh (Figure 1).
Pre-operative weight-bearing full-length lower limb X-ray showing major limb length discrepancy (17 cm).
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F2
The weight-bearing full-length lower limb X-ray (Figure 2) was used to plan bone sections in order to adjust for correct limb length, as the position of the neo-knee is crucial and should not exceed the controlateral side.
Intra-operative aspect after dissection of the vasculo-nervous axes and resection of the knee and distal femur. a: tight; b: leg; c: proximal femur with broken IMN; d: sciatic nerve with divisions (peroneal / tibial); e: femoral superficial vessels; f: quadriceps muscle.
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F3
The deep femoral artery was ligated (Figure 3).
Post-operative X-ray at last follow-up (2 years).
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F4
After compressing the tibia-femur interface, proximal locking was achieved using three five-millimeter screws (Figure 4).
Intra-operative aspect, after wound closure.
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F5
Finally, plane-by-plane closure of the various incisions was performed on two drains (Figure 5).
(A,B,C) Installation of the prosthesis.
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F6
Regarding the patient's functional capacities, a carbon fiber dynamic prosthetic foot of class 3 (Dynatrek) was chosen (Figures 6A-C).