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J Urol. 1987 Aug;138(2):292-4.

Ureteral carcinoma in situ after successful intravesical therapy for superficial bladder tumors: incidence, possible pathogenesis and management.


A total of 66 patients with multifocal, progressive, flat carcinoma in situ of the bladder responded completely to intravesical bacillus Calmette-Guerin therapy for more than 1 year. Of the patients 19 (29 per cent) had clinical evidence of distal ureteral carcinoma in situ between 13 and 30 months (median 15 months) after bacillus Calmette-Guerin treatment. After evaluation of a positive urinary cytology study failed to reveal recurrent urothelial tumor of the bladder or prostatic urethral mucosa 6 patients underwent distal ureterectomy, 2 underwent nephroureterectomy, and 11 were managed by ureteroscopic resection and fulguration. In patients with carcinoma in situ of the bladder treated successfully with topical therapy the ureters represent a potential site of in situ carcinoma.

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