| The initial cystoscopic biopsies showed transitional cell carcinoma with the invasion of the lamina propria. |
| Lower urinary tract obstruction secondary to posterior urethral valves can be diagnosed and treated with a cystoscopic approach. |
| After a cystoscopic examination, a transurethral resection was performed. |
| A cystoscopic biopsy of the midline anterior wall of the bladder revealed a mucinous adenocarcinoma, which was treated by wide partial cystectomy. |
| Histologic findings in the cystectomy specimen were similar to the previous cystoscopic biopsy. |
