A statistical analysis was made on 400 cases of clinical bladder tumor which were treated in our department during the past 12 years and 9 months from April of 1959.
The highest incidence was found in the 6th decade of the male, including high occurrence rate in the cases over 40 years of both sexes.
Transitional cell type, in grade III (Broders) and in stage A (Jewett), was the significant majority, while the papillary-shaped and thumb-tip-sized tumors in the side wall of the bladder were at the highest rate. Single tumor type was 61.2% in its incidence.
As to the clinical symptoms, haematuria, polakisuria, and urodynia were the main complains. The shadow defect was found in 74. 6% on preoperative cystograms. The obstruction of renal function was ound in relatively many cases by preoperative intraveneous pyelography.
Total cystectomy was performed in 130 cases, partial cystectomy in 168 cases, TUR Bt in 32 cases, and urinary diversion in 32 cases. Furthermore, postoperative chemotherapy was done in 91 cases of total cystectomy and in 100 cases of partial cystectomy.
