Be careful of Collet–Sicard syndrome: A rare result of carotid artery dissection.

The article presents a case study of a 50-year-old man with left-sided pulsating headache and left shoulder pain. Topics include subsequent development of left-sided neck pain, dysphonia, dysphagia, choking on water, and numbness of the tongue; and Doppler angiography of the cervical arteries showing intimal surface of the bilateral cervical arteries being rough with plaque formation.