OPERATIVE TECHNIQUE 



445 



Fig. 294. — The Posterior Part of the Cerebral Hemisphere is retracted 

 so as to expose the corpus callosum. 



Fig. 295. — The Inferior Surface of the Falx has been divided, together 

 with the Inferior Sagittal Sinus. The Posterior End of the Corpus 

 Callosum has been divided, exposing the Pineal Tumour. 



for a day or so. The osteoplastic flap is replaced and the scalp approxi- 

 mated by two layers of sutures. The head is covered with a firm bandage, 

 and the patient nursed flat for the first three days and then allowed a 



