FISTULA 77 



tissue is reached. Use warm antiseptic poultices for two 

 more days. By tMs time all sloughs can be removed. Now 

 treat the ulcer same as a simple or healthy one. 



Fungous ulcer : Remove the mushroom-like projections 

 ■with the curette. Be sure to scrape its edges well. Follow 

 with astringent applications, as alum, tannic acid, tannoform, 

 sulphate of copper ; and wherever possible, hold them in 

 place by a pressure bandage ; the dressings to be changed 

 frequently. 



Phagedenic ulcer : Continuous warm antiseptic poultices 

 to separate the sloughs. Should this be insufficient (shown 

 by the fact that the ulceration progresses rapidly), use the 

 curette or knife or red hot iron to overcome the septic inva- 

 sion ; after that, antiseptic stimulating applications are 

 indicated. 



FISTULA. 



What is a fistula 9 



A tubular wound surface which does not heal and from 

 "which either pus, some secretion or excretion is discharged. 



What two main classes of fistula are recognized ? 



Purulent fistula and secretory and excretory flstulae. 

 Name the various varieties of fistula. 



The incomplete or blind fistula, the complete or com- 

 municating fistula. 



What is a blind fistula ? 



One which leads to some necrosed tissue or foreign body, 

 or empties into an abnormal cavity. 



