DOI: 10.36347/sasjs.2021.v07i01.008

Pages: 25-27

The tibial valgus osteotomy by internal addition still holds an important place in the surgical arsenal against gonarthrosis, compared to the different valgus techniques and prosthetic surgery. Iatrogenic paralysis of the external popliteal sciatic nerve is a complication that must be taken into consideration in the aftermath of internal opening valgus osteotomy. This a 49 years old woman, with no notable pathological antecedent, admitted in our training for the management of right gonalgia evolving since 3 years, The evolution was marked by a paralysis made of steppage with an equinus foot without anesthesia of the territory of the anterior tibial nerve.