72 CANINE AND FELINE SURGERY 



Composed mainly of fibrous tissue, they are hard to the 

 touch and are usually well circumscribed. Before they become 

 adherent to the skin or surrounding tissues their surgical 

 removal is generally an easy matter. 



They are very apt to be multiple, and may e.xist in large 

 numbers on a single patient. 



Glioma is the name given to a rare form of tumour 

 occasionally found in the brain or spinal cord. 



Lipomata, or fatty tumours, are harmless except when 

 (as in the figure on p. 75) they grow to an enormous size 



Fig. 44. — A Lipoma with Distinct Pedicle. 



and interfere with the general convenience or utilit}- of the 

 patient. They may exist in great numbers all over the body, 

 or in some such favourite situation as the buttock. They 

 may possess a definite pedicle, rendering their removal by 

 ligature and scalpel an easy matter. 



They are diagnosed by their soft, flabby touch ; their out- 

 line is well defined, and they are generallj' freely movable 

 under the skin unless ulceration or adhesion has already 

 taken place. 



Melanoma is the name given to a dark-coloured tumour 

 which is very frequently seen on the skin of black dogs or 

 those which have some pigment in their coats. 



