The purpose of this paper is to present some of the advantages of the endoscopic method of resection of tumors of the bladder. It is by no means proposed that all such tumors be treated by endoscopic means. It is recognized and admitted that open operation is the method of choice in certain types of tumors of the bladder, especially if they are located in the free portion of the bladder. In the majority of these tumors, however, treatment by means of endoscopic surgery offers more satisfactory results than open surgery.
In successful management of tumors of the bladder the most important factor is early diagnosis. Tumors which are discovered in an early stage are more likely to be curable by endoscopic means. Tumors found early are less likely to be infiltrating, are more likely to be pedunculated. Tumors found early are less likely to be malignant. Although these facts