Fig. 2From: Stellate ganglion block as an intervention in refractory eosinophilic granulomatosis with polyangiitis: a case reportTransducer position and corresponding ultrasound image of the stellate ganglion block (SGB). A Performance of the SGB using transverse scanning with needle in-plane approach. B Ultrasound images for the SGB. The internal jugular vein was compressed (blue circle); the yellow line represents the prevertebral fascia, and the red arrow indicates the in-plane needle path. LC longus colli, SCM sternocleidomastoid muscle, LA local anesthetic, Th thyroid gland, CA carotid arter, AT anterior tubercle of C6 transverse process, VB C6 vertebral bodyBack to article page