Figure 1
Anatomical structure at the level of C5–C6. R. LC: right Longus Collii, L.LC Left Longus Collii. Oesephagus. Thyroid gland. Carotid artery. From “The visible human project” of the National Library of Medicine, Bethesda, USA https://www.nlm.nih.gov/research/visible/visible_human.html.
Video
Left Longus Colli muscle injection Injection of a patient with anterocollis of the left Longus colli muscle under EMG guidance.
Figure 2
Position of the needle on ultrasound view. Blue dot on the left side representing the tip of the EMG needle, going in the Longus Colli muscle through the thyroid gland (SNV mode). Small cysts, benign in appearance, can be seen in the thyroid.
Figure 3
The distance between the skin and the muscle belly of the Longus Colli at the level of C5–C6. 27.9 mm on the right side and 28.2 mm on the left side Small cysts, benign in appearance, can be seen in the thyroid.