ULCEB 73 



Why do you combine iodoform with glycerine for the injection 

 of deep and gravitating abscesses f 

 Glycerine, being heavy, enters every nook and corner of 

 tlie diseased parts, drives out and brings to the surface float- 

 ing products of septic inflammation. The glycerine subse- 

 quently is absorbed, leaving behind a fine coating of iodo- 

 form. This treatment has given me excellent results. 



Which are the characteristics of a chronic or cold abscess ? 



The course of the chronic abscess is slow ; there is little 

 tendency to point ; symptoms in general are slight. There is 

 little development of inflammatory heat ; therefore it is called 

 also cold abscess. The -wall of granulations limiting it is 

 thick and more or less organized into a connective tissue 

 capsule. 



ULCER. 



Define an ulcer from a surgical point of view. 



It is a granulating surface of the skin or mucous mem- 

 brane with limited tendency to heal. 

 What two main classes of ulcers are recognized ? 



Primary or idiopathic, and secondary or symptomatic 

 ulcers. 



What two main classes of causes are concerned in the produc- 

 of ulcers ? 



Local and general causes. 

 Enumerate the local causes of ulcers. 



Any agent keeping up an inflammatory process in a 

 wound, by continuously and locally irritating the wound, 

 interferes with granulation and cicatrization, changing such 



