case_images: PMC5322840_01
case_images: Ultrasound-guided transverse view of the GAN.. Abbreviations: GAN, great auricular nerve; PSCM, posterior border of sternocleidomastoid muscle.
case_images: jpr-10-435Fig1.jpg
case_images: PMC5322840_01_jpr-10-435Fig1.jpg
case_images: f1-jpr-10-435
case_images: We initially performed a GAN block using ultrasound guidance (Figure 1).