What are the signs of thrombophlebitis of the internal jugular vein in tonsillitis?

Updated: Apr 06, 2020
  • Author: Udayan K Shah, MD, FACS, FAAP; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Rarely, acute pharyngotonsillitis may lead to thrombophlebitis of the internal jugular vein (Lemierre syndrome). The usual cause of this condition is Fusobacterium necrophorum. A patient who appears toxic following tonsillitis presents with spiking fevers and unilateral neck fullness and tenderness. CT scanning with contrast is necessary to help make the diagnosis. A prolonged course of IV antibiotics and treatment of the source of infection (eg, an abscess) are required. Anticoagulation is controversial. Ligation or excision of the internal jugular vein is required after multiple septic emboli become evident.

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