Level of division of the Sciatic Nerve into tibial and common Proneal nerves.
Junction of the upper 2/3 with lower 1/3 at the back of the thigh, exactly at the apex of popletial fossa. variation may occur.
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AMB
I fully agree with you Mr. Baig. Regarding variations of sciatic nerve Nerve division. It may divide at any level after its formation, even within the pelvis or lower than its usual division at the apex of Popletial fossa. we have reported in two cases of higher division so for. In one case Nerve divides within Pelvis and in the other it divides at the level of greater trochanter of femur.
The sciatic nerve (SN) separates into its branches, the tibial and common fibular nerves, outside the pelvis. However, it may rarely be separated within the pelvis. In such cases, the tibial nerve and the common fibular nerve may leave the pelvis through different routes. These variations may cause nerve compressions under other anatomic structures, resulting in non-discogenic sciatica. The aim of this study was to define the level of the SN exit and of the SN division.
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