Thrombosis of the intracranial veins has been recognized for many years as a rare and fatal complication of the puerperium. Pathologically it has been regarded as a primary thrombosis to distinguish it from thrombophlebitis secondary to generalized or local septic conditions. It is only in recent years that the condition has been diagnosed during life and that cases with recovery have been reported. The observations of Symonds,1Martin and Sheehan2and Martin3have provided the basis for an understanding of the pathologic and clinical features of this interesting and rare disorder. More recently, Stansfield4and Kendall5have reported additional cases, and the subject has been reviewed by Kendall in some detail. Since the number of cases in the literature to date is still small and the clinical syndrome may not yet be widely known, the following 2 cases which were observed at the Toronto General
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