. Roentgen diagnosis of diseases of the head . e of the venous canals isresponsible for its development. The knowledge of this sinus prevents its confusionwith fissures. -^In a case operated and published by von Kiselsberg, there occurred a hemorrhagefrom a dilated diploic vein which could not be stopped, and which killed the patient. -^See the illustrations in our monograph on diploic venous canals, Fortschrittc aiifdcm Gebiete dcr Rontgcn Strahlen, 1908. INTRACRANIAL DISEASES 233 center of the right leg. TliG operation, performed in tlie von EiselsljergClinic, had to be discontinued after th
. Roentgen diagnosis of diseases of the head . e of the venous canals isresponsible for its development. The knowledge of this sinus prevents its confusionwith fissures. -^In a case operated and published by von Kiselsberg, there occurred a hemorrhagefrom a dilated diploic vein which could not be stopped, and which killed the patient. -^See the illustrations in our monograph on diploic venous canals, Fortschrittc aiifdcm Gebiete dcr Rontgcn Strahlen, 1908. INTRACRANIAL DISEASES 233 center of the right leg. TliG operation, performed in tlie von EiselsljergClinic, had to be discontinued after the opening of the skull on accountof hemorrhage from the widened diploic veins. The second operation, un-dertaken several days later, disclosed the existence of a walnut-sized gliomain the cortex in the region controlling leg movements. (See Leischner,CJiirurgie der Sirntumoren, Case 4.) The postmortem held several mouthslater, verified the result of tlie clinical examination. The widened diploic veins had, in this case, taken over the removal. Fig. 89.—A sketch of the x-ray of the calvarium in which there was a phenomenalenlargement of the dijiloic veins. On the right side they approximated the size of thefemoral vein. The piece of bone removed at operation is laid back in place. This isthe explanation of the irregularity on the right side of the picture. P. Pacchioniangroove. CS. Coronal suture. of the blood from that area in which a compression of the longitudinalsinus had resulted on account of the tumor in the cortex. Case 2.—N. G., male, thirty-six years old. Jacksonian ei^ilepsy, paresis,ataxia, and disturbance of deep sensibility in the left leg. Choked : tumor of the riglit motor region (leg center). Eoentgen finding showed the skull to 1)e permeated by numerous greatlywidened dipiloic veins which were developed to the greatest degree in tlie 234 ROENTGEN DIAGNOSIS OF DISEASES OP THE HEAD right parietal region. The operation, performd in the von Eisels
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