HERNIA 



237 



wound healed, and the patient made an excellent recovery. The perineal 

 hernia, however, remained, as the owner did not desire any further 

 operation, the fundus of the bladder adhering to the wall of the sac. 



Fig. 154. — Catheter inserted into the Bladder, illustrating a Perineal 

 Hernia which had been opened and formed a Fistula. 



Femoral Hernia. 



This hernia is of such extremely rare occurrence as to 

 only merit a passing allusion to it. According to Muller,i 

 it is occasionally seen after fractures of the pelvis, occurring 

 as a soft painful swelling in the inner fascia of the thigh. 

 The principles of operation are the same as with other 

 herniae, very great care being necessary on account of the 

 close proximity and size of the bloodvessels in this region. 

 1 ' Diseases of the Dog' (Glasse's translation). 



