The painful ankle after surgery….
A 66-year old woman is referred to your office. Her story is the following:
Half a year ago she underwent surgery of the right lower leg because of varicosities. After the compression bandage was removed, she noticed numbness on the lateral edge of her foot and a wrenching pain in the lateral ankle.
The colleague doing nerve conduction studies let´s you know that she could not record a sensory nerve action potential of the right sural nerve.
Now it’s your turn. You grab the probe and record the videos that you see below.
First with the 15 MHz probe:
Then with the 20 MHz probe:
Proximal to the lesion:
Lesion:
Longitudinal view:
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