Fig. 3From: Analgesic effect of the ultrasound-guided thoracolumbar paravertebral block in patients undergoing robot-assisted laparoscopic nephrectomy: a randomized controlled trialT9 paravertebral block under ultrasound guidance. SP, spinous process; VP, vertebral plate; SCTL, superior costotransverse ligament; TPV space, thoracic paravertebral space; P, posterior; A, anterior; L, left; R, rightBack to article page