[Benign intracranial hypertension in polycythemia which had caused a lateral sinus thrombosis]. / Hypertension intra-crânienne "bénigne" au cours d'une polyglobulie ayant entrainé une thrombose du sinus latéral.

Report of a case of so called "benign" intracranial hypertension whose main characteristics are: the etiology attributed to a thrombosis of the venous transverse sinus in the course of a polycythemia; the clinical signs with a reinforcement during the course of the illness of a previous epilepsy; the prognosis with specially heavy visual impairment questioning the prefix "benign" applied to this condition.