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Peripheral nerve tracing was done from distal thigh to ankle.
- common peroneal nerve: hypoechoic/anechoic and thickened in its entire length
- articular branch: hypoechoic/anechoic and thickened in the entire visualized segment, directed superiorly or towards the proximal tibiofibular joint
- superficial and deep peroneal nerves: normal
- lateral sural nerve (cutaneous branch of the common peroneal nerve): hypoechoic/anechoic and thickened
- distal sciatic nerve and tibial nerves: normal