Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . al siiius is thusplugged. A complicating oedema of the forehead and the developmentof exophthalmus has been reported from the same cause. Suppuration of the ear not unfrequently occurs when the petrosal orcavernous sinuses are implicated. A thrombus of one of the larger arteries of the brain may producesudden angemia of the parts nourished by its branches, and thus induce* See closing pages of Section I. CEREBKAL THEOMBOSIS. 2
Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . al siiius is thusplugged. A complicating oedema of the forehead and the developmentof exophthalmus has been reported from the same cause. Suppuration of the ear not unfrequently occurs when the petrosal orcavernous sinuses are implicated. A thrombus of one of the larger arteries of the brain may producesudden angemia of the parts nourished by its branches, and thus induce* See closing pages of Section I. CEREBKAL THEOMBOSIS. 225 paralysis of motion or sensation, or botli. Convulsions, disturbances ofthe special senses, and coma may also follow. The ocular muscles maybe rendered paretic, thus causing strabismus and diplopia. Localized passive hyperiemia may be one of the effects of cerebralthrombosis, and thus give rise to a train of symptoms indicative of thatcondition. (See subsequent pages.) Thrombosis may go on to suppuration. In such a case the symp-toms of cerebral abscess or of general pyaemia may develop. In abrochure upon this subject * I reported two cases which came under my. Fig. 74.—A Diagram Designed by the Author to Show the Cerebral Sinuses in , superior longitudinal sinus : 2, inferior longitudinal sinus ; 3, straight sinus, deriving bloodfrom 1 and also from the veins of Galen (11) : Nos 1, 2 and 3 bound the falx cerebri;4, the torcular Herophili, where four sinuses meet; o, lateral sinus; 6, superior petrosalsinus, joining the lateral sinus (.J) with the cavernous sinus {>?) ; 7, inferior petrosal sinus,joining the cavernous sinus (8) with the jugular vein (9) ; t, cavernous sinus: 9, internaljugular vein formed by two sinuses (5 and 7); 10, occipital sinus; 11, vena:Galeni; 12, veinpassing to nasal cavity ; 13, foramen ca;cum. personal observation, where a trivial contusion of the scalp which failedto break the skin had induced thrombosis of the diploe and caused dea
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