The aim of this clinical trial is to investigate the effects of local anesthetic diffusion range and sensory block range during retro-SCTLB(retro superior costotransverse ligament space block) and TPVB(thoracic paravertebral block) in patients undergoing CT-guided lung nodule localization. The main issue of the study is to determine the differences in the diffusion range and sensory block range of local anesthetics between the retro-SCTLB and TPVB nerve block methods.
aged 18-80 years
BMI 18-30 kg/m²
ASA classification I-III
Allergy to the study drug or local anesthetic;
History of opioid abuse;
Pre-existing skin infection at the puncture site of ITPN or TPVB;
Peripheral infectious neuropathy;