ADDENDA 10 THE DISEASES OF THE KIDNEYS. 395 



very vascular neoformations in process of purulent or putrid de- 

 struction (papilloma, sarcoma, or more rarely carcinoma). 



Symptoms. The principal symptom is the addition to the urine 

 of a variable proportion of blood (hematuria), which colors it a 

 light or dark red, and forms a reddish sediment, composed of red 

 globules and fibrinous clots. In certain cases the quantity of the 

 blood increases with exercise ; the excreted liquid may be almost 

 pure blood. The decomposition of this liquid in the bladder leads 

 to catarrhal cystitis, which in the end is accompanied by its symp- 

 tomatic complications. Anemia and general weakness become ac- 

 centuated little by little. The disease sometimes ends in a fatal 

 hemorrhage. 



Treatment must be first surgical : cleansing of the bladder with 

 a solution of perchloride of iron, of creosote, alum, tannin, etc. 

 Internally, we must administer ergot of rye, tannin, or sugar of 

 lead. We also advise counteracting the decomposition of the blood 

 in the bladder by the administration of boric acid, salicylic acid, 

 chlorate of potash, etc.; also by antiseptic urethral injections. 



Tumors of the bladder, mainly epithelial neoplasms, may some- 

 times be recognized through palpation, when the attention is at- 

 tracted by the difficulties of micturition, hematuria, and the symp- 

 toms of cystitis Against such alterations any intervention would 

 be illusory.^ 



^ In a cow presenting for several days symptoms of nephritis and retention of 

 urine, colic, frequent exertions of micturition, dysuria, and hematuria, Mollereau 

 found the bladder almost empty, and was not able to perform catheterism, the 

 sound being stopped by a tumor which appeared to be developed upon the vesical 

 neck. At the autopsy he recognized that the neoplasm was of the size of a hen's egg, 

 firm and hard at its base and soft and friable toward its surface. Microscopic exam- 

 inination showed that it was formed by lobules of pavement epithelial cells and of 

 connective tissue. (Bull. Soc. centr. Vet., 1890.) — n. d. t. 



