HORSESHOEING. 



181 



forward as a result of the animals travelling upon tlieir heels. 

 To prevent this evil, clips may be raised at the ends of the 

 branches of an open shoe, or one clip in the middle of the bar, 

 in case a bar-shoe is used (Fig. 197). 



Fig. 199. 



7. Keraphyllocele (Horn Tumor). 



A keraphyllocele is a more or less sharijly bounded horn tumor 

 projecting from the inner surface of the wall. 



Its occurrence is rare. Its favorite seat is at tlie toe. It rarely 

 causes lameness. It can only be diagnosed 

 with certainty when it extends doAvnward 

 to the lower border of the wall. In this 

 case there may be seen a half-moon-shaped 

 thickening of the white line which rounds 

 inward upon the edge of the sole, and is 

 of a waxen color. Frequently the horn 

 at this place crumbles away, lea\'ing a 

 more or less dark-colored cavity from 

 which there sometimes escapes a small 

 quantity of dark-gi-ayish pus. 



Causes. — Chronic inflammation of the 

 podophyllous tissue, resulting from com- 

 pression or bruising. Keraphyllocele fre- 

 quently follows a complete toe-crack of 

 long duration, or a deep calk-wound at the 

 coronet. 



Prognosis. — Unfavorable, whether there 

 is lameness or not. If there is no lame- 

 ness it is vei-y apt to arise later, and if 

 lameness is already present it can only be ^hoVng t KelpTy'LL^YhoS! 



removed by an operation, which should be leaf tumor): o, coronary border; 



performed by a veteHnarian. A i-etum of J; ^Lrertutorpr^^enl^n" funnel: 

 the lameness following hard work at a trot shaped opening discharging pus. 

 upon hard roads is always to be feared. 



Shoeing. — An ordinary shoe well concaved underneath the inflamed 

 region, which should be relieved of all pressure.* 



* Should lameness persist, it will be necessary to remove a strip of 

 the wall from the plantar border to the coronet in order to remove the 

 horn tumor. The fleshy leaves which have secreted the tumor must be 

 extirpated and the surface of the os pedis well scraped, or the growth 

 will return. 



