336 PRINCIPLES OF VETERINARY SURGERY 



the last. Projecting scars are of but little importance, as 

 they are no obstacle to the usefulness of the animals afifect- 

 ed, and they do not disfigure unless very extensive. Sensi- 

 tive scars are found in the regions v^^here the skin is dis- 

 placed during locomotion. Those located on the neck or 

 shoulder often become so painful as to seriously interfere 

 with the adjustment of the collar. Carougeau reports a 

 lameness due to a sensitive scar resulting from the extirpa- 



FiG. 31. 



Monstrous Keloid Caused by Accidental Cauterization with 



Sulphuric Acid. 



tion of a cold abscess of the mastoido-humeralis, in which 

 the removal of the scar tissue rendered the animal useful. 

 We have observed sensitive scars on the tendons of a horse, 

 following the actual cautery, so painful that the animal was 

 useless until median neurectomy was performed. The oper- 

 ation of neurectomy, badly performed, often is followed by 



