Letter to the Editor
Copyright ©The Author(s) 2021.
World J Clin Cases. Dec 26, 2021; 9(36): 11504-11508
Published online Dec 26, 2021. doi: 10.12998/wjcc.v9.i36.11504
Figure 1
Figure 1 Sonoanatomy of the sciatic nerve block (parasacral approach). PM: Piriformis muscle; GMM: Gluteus maximus muscle. Sciatic nerve (white arrow); Sacral bone (white arrowheads).