Jugular vein thrombosis is caused by a blood clot in one of the jugular veins. Although very rare, jugular vein thrombosis can cause serious complications if it’s not treated. Medical attention is ...
The retromandibular vein is a branch of the jugular veins. The jugular veins go up the neck and join with the facial vein, which drain blood from the face and return it to the heart for oxygenation.