[Thrombophlebitis of the lateral sinus. Apropos of a case]

About one case of septic sigmoid sinus thrombosis, the authors present various clinical and paraclinical elements of this rare pathology, whose entity are generally subtle for benign but also for serious forms. Although uncomplicated dural venous thrombosis carries an excellent prognosis with proper treatment, delay in diagnosis and institution of appropriate therapy may lead to serious, or even fatal, consequences. The modern literature is reviewed and the pathology, presentation and management of lateral sinus pathology is discussed.