6o 



CANINK AND FELINE SURGERV. 



REMOVAL OF CYSTS. 



The removal of a cyst is best effected by completely dis- 

 secting around its external wall, and so endeavouring to 

 remove it in its entirety without evacuating the contents. 



Fk:. .S3. 

 Bistoury witli sharp and blunt pointed blade. 



In some cases, however, the contents, or a portion of them, 

 have to be removed on account of lessening risk of injuring 

 surrounding structures, but care must always be taken to 

 remove the whole of the surrounding membrane. If the pre- 



FiG. .34. 

 Curette or Volkman's spoon. 



caution is neglected the cyst is apt to form again and refill. 

 Cysts are met with in various parts of the body, but par- 

 ticularly in the intermaxillary space, where their complete 

 obliteration is often a matter of great clifificulty. 



Fig. 35. 

 Ecraseur with wire. 



REMOVAL OF TUMOURS. 



Tumours in the dog and cat are often of very large size ; 

 they may appear in any region of the body, either externally 



