PRINCIPLES OF VETERINARY SURGERY 



571 



Sarcomata are not rare in domestic animals; Cadeac 

 found six sarcomata out of a total of nineteen tumors. They 

 are found in the udder, skin, bones, kidney, uterus, mus- 

 cles, etc. Melanotic-sarcoma is very frequent in the horse, 

 in which event it usually begins in the skin. Trasbot and 

 Cornil found forty-seven that started as cutaneous tumors. 



Fig. 76. 

 Epithelioma of the Udder of tlie Bitch. 



fifty in the eye and seventeen in the internal organs. The 

 death from sarcoma is either from generalization or ca- 

 chexia. It has characteristics by which it can be distin- 

 guished from epithelioma. It is more movable, less ad- 

 hesive in its deeper parts, and is not accompanied with en- 

 gorgement of the neighboring lymphatic glands, its gener- 

 alization being efifected through the venous system. 



