QUESTIONS AND ANSWERS 239 



Give the prognosis and treatment of fracture of the external angle of 



the ilium. 



Prognosis is favorable, although a permanent blemish results. 



Treatment: Rest the patient for 3 to 4 weeks, and keep in 



slings to prevent further injuries or displacement of the broken 



pieces by lying down. 



What is the object of caudal myotomy? Describe the operation. 



The operation is performed for the correction of curved taiL 

 Confine the patient in stocks or control with a side line and 

 twitch. Cleanse and disinfect the tail, and bend it in the opposite 

 direction to the curvature. Locate the longitudinal furrow be- 

 tween the levator and depressor muscles on the convex side, and 

 insert a tenotome at the lower margin of the levator, in the most 

 prominent part of the curvature. Push the knife through the muscle 

 to the vertebrae, turn the cutting edge upward against the lateral 

 muscle and sever it completely. Remove the knife and bandage 

 an antiseptic pad over the wound, leaving the same in place for 

 24 hours. 



Describe an operation for amputation of the tail. When is this opera- 

 tion indicated? 



This operation may be performed by clipping the hair over 

 the seat of operation and using the docking shears, controlling 

 hemorrhage by searing the stump with a red-hot iron. The iron 

 also provides a protective scab. 



A more strictly surgical procedure is to make two semi-elliptical 

 flaps with the scalpel, by cutting through the skin and muscles 

 in an oblique direction, above and below (over a joint if possible), 

 disarticulate or chisel through the bone and suture the flaps over 

 the end of the stump. 



The operation is indicated in malignant or incurable diseases 

 of the tail. 



Diseases of the Pore Limb 

 Give the diagnostic s3miptoms of shoulder lameness. What treatment 

 is employed in shoulder lameness. 



Suddenly appearing lameness of a supporting and swinging-leg 

 type. The leg is held in abduction and little weight is placed on it. 

 The forward stride is shortened and the toe is dragged. Inflamma- 

 tory swellings accompanied by increased warmth and pain may 

 appear over the shoulder joint. 



Treatment: Rest is imperative. In acute inflammatory con- 

 ditions, cold applications are indicated. Later, counterirritants 



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