102 FISTULA AND POLL-EVIL 



whole lower third of the cervical region is hard 

 and tumefied. Abscesses may point well for- 

 ward along the neck and as far down as the 

 level of tlie vertebrge. This is cervical fistula, 

 a type that may also result from either the typ- 

 ical or the atypical types previously described. 

 The treatment of fistula from sitfast should 

 begin with prevention. That is to say, the sit- 

 fast should be properly managed. It is an 

 error to allow even the smallest superficial 

 sitfast to sojourn on the neck unchecked. The 

 veterinarian should recommend prompt extir- 

 pation and give warning about the serious state 

 that may develop from careless treatment 

 thereafter. The sitfast should be extirpated 

 down into the sound, unaffected tissues, no 

 matter how far it may extend, and the subject 

 must be removed from service or worked with 

 a breast collar. To leave any part of the dead 

 tissue in the cavity or to subject the neck to 

 continued injury by working the patient with 

 a collar will encourage the development of 

 chronic fistula and the attendant results. We 

 therefore advise that all sitfasts be managed 

 witli this end in view, that the patient be sub- 

 mitted to a proper operation and the wound 

 treated as it should be after the operation. The 

 extirpation of deep sitfasts and the application 

 of caustic into the cavity in our hands have not 



