Fig. 3From: Is lumbar erector spinae plane block (L-ESPB) a lumbar plexus block?: a case report of three casesA X-ray showing contact of the needle in the middle of the transverse process. B Contrast spread close to paravertebral space. C Needle contacting the lower border of the transverse process. D Contrast spread along with the psoas muscle towards lumbar plexus. TP—transverse processBack to article page