148 
.REPORTS OF CASES. 
How are we to explain the fact that swine kept under the 
worst conditions and fed on an infected diet yet remain im- : 
mune, whereas flesh bearing neither tubercles or other 
evidence of tuberculosis furnishes a notable percentage of I 
casualties of this fearful disease. 
REPORTS OF CASES. 
REMOVAL OF MEDULLARY CANCER. 
By J. S. Ctjlbert, V.S., Portland, Ind 
t _ . T 
f 
The patient was a gray stallion weighing sixteen hundred 
pounds, seven years old ; was brought to my hospital March 
3rd, 1892, with the following history : 
In the spring of 1891, while he was in the stud, the owner’s 
attention was called to an enlargement, situated in the sub¬ 
maxillary space, extending as far back as the trachea, the 
owner paying but little attention to it, as the horse was in 
good health otherwise. The tumor had grown to quite a size - 
when he called in a veterinary surgeon, who treated the horse 
without success. Then he was brought to my hospital for 
treatment. 
In preparing my patient for the operation, I gave him a 
mild purgative, gave him but little to eat on the evening of > 
the 3rd, and nothing on the morning of the 4th. I gave him 
chloral hydrate 3 i., gent. rad. and simple syrup, q. s. to make 
bolus. I then injected a five per cent, solution of cocaine 
muriate hypodermically all around the base of the tumor. II 
then cast him and secured him safely, clipped the hair all I 
over the tumor, sponged it well with the bi-chloride solution 
one to one thousand. I then made a bold incision about ten 
inches long on each side, about four inches apart from the 
most pendulant point of the tumor. I then dissected the 
tumor out, taking up the veins and arteries, which were very 
numerous, the tumor being very vascular. After the re¬ 
moval of the tumor (which weighed two pounds) I sponged 
out the cavity well with the bi-chloride solution. I then 
sutured up the wound with extra heavy silk twist, not bring- 
