Cystoscopy and Ureteral Catheterization

During the last few years I have had several opportunities of testing the value of cystoscopy in both sexes, and of cathe-terization of the ureters in the female. The manipulations are often somewhat delicate and require considerable patience; but once the preliminary difficulties are surmounted, diagnoses may be arrived at which would be otherwise impossible. A reference to the table at the end of this article will show the frequent disparity between the provisional diagnosis and that