TUMOUR, INFLAMMATORY NEW GROWTH, ETC. 71 



Benig-n Tumours. 



Some adenomas come under this heading, as their 

 removal is followed by no attempt at recurrence. 



An angioma is a tumour largely composed of dilated 

 bloodvessels. On account of its great vascularity, it is often 

 exceedingly troublesome to deal with, and all vessels must 

 be carefully Hgatured before or during the operation. 



Fig. 43. — Photomicrograph of a Round-celled Sarcoma.^ 



Chondroma is composed of cartilaginous structures, and 

 may be met with in the region of the mammary gland and 

 testicle or in the neighbourhood of bones and joints. 



Fibroma is probably the most typical of the non-malignant 

 growths. It is met with on any part of the body, especially 

 between the claws, in the mammary gland, and on the legs. 



1 For this photograph, taken from the small intestine of a cat, I am 

 indebted to the Imperial Cancer Research Association. 



