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Fig. 1 | Trials

Fig. 1

From: Transmuscular quadratus lumborum (TQL) block for laparoscopic colorectal surgery: study protocol for a double-blind, prospective randomized placebo-controlled trial

Fig. 1

TQL sonoanatomy. Ultrasound image of UZ Leuven LOCAL (LOCoregional Anesthesia Leuven) depicting sonoanatomy, needle target, and point of injection. QLB, quadratus lumborum muscle; EO, external oblique muscle; IO, internal oblique muscle; TA, transverse abdominal muscle; LD, latissimus dorsi muscle; ES, erector spinae muscle group; PM, psoas major muscle; TF, transversalis fascia; VB, vertebral body; TP, transverse process; Kidney and Pre RF, pre-renal fat; Para RF, pararenal fat; LP, lumbar plexus in the psoas major; POI, point of injection with needling path

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