Kxperimt'lital ( >[»eratioii8 on the l'ituitar\- 



85 



by its typical apricot colour, which is due to the extreme vascularity of the 

 aiittrior lobe. 



All blood and cerebro-spiiial Huid was now mopped out with small wool 

 dabs held in forceps bent at an anjjle (ti«;. 10). A.s soon as the Held was 

 dry the rest of the operation planned was carried out. 



/- ■'• 



t'l 



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Fig. 7. — Soft metal spoon-.shaped hraiii retractor. (Pliotogr^ijth x S.) 



Most of my operations consisted in removing portions of the pituitary. 

 I used for this purpose a special pair of aural forceps (tig. 1 1 ), which I 

 found very convenient. It was impossible to obtain, or have made, an 



Fig. 8.— Long, hooked knife for incising the dura mater. (Photograph $.) 



instrument with .spoon-beaks which were large enough to contain the 

 pituitary body and which at the same time could be opened widely. With 

 the instrument mentioned I was able to remove in several fragments most 

 of the anterior lobe, and practically the whole of the posterior lobe intact. 

 To remove the entire pituitary body I had a special instrument made: 

 this consists of a lower blade terminating in a blunt hook in which the 

 stalk of the pituitary is caught; the upper blade, which is formed like 



