What is lemierre's syndrome? my neck ct scan shows this says clinical concern for lemierre's syndrome.

Lemierre's syndrome: Lemierre's syndrome refers to infected clot in your veins. It affects young, healthy adults and develops most often after a sore throat caused by some bacteria of the streptococcus genus has created a peritonsillar abscess. The bacteria penetrate into the neighboring jugular vein in the neck and there they cause an infected clot which can break off and cause an infected pulmonary embolus.