case_images: PMC10804218_01
case_images: T-ESP block and ITP block.  A. T-ESP block.  B. ITP block is a paraspinal thoracic truncal block technique, where the LA is injected into the thoracic intertransverse tissue complex posterior to the SCTL. T-ESP: thoracic erector spinae plane; ITP: intertransverse process; LA: local anesthetic; SCTL: superior costotransverse ligament; CR: cranial; CD: caudal; ES: erector spinae muscle; PL: pleura; PVS: paravertebral space
case_images: cureus-0016-00000052711-i01.jpg
case_images: PMC10804218_01_cureus-0016-00000052711-i01.jpg
case_images: FIG1
case_images: T4 ESP block; after that, we moved the 100 mm echogenic needle (Ultraplex , B. Braun, Melsungen, Germany) caudally towards the T8 paravertebral space. The tip reached the retro-SCTL space between the intertransverse ligament and SCTL (Figure 1).