[A study of post-operative chemotherapy for renal pelvic and ureteral tumors]

A study was made of the relationship between post-operative chemotherapy and metastasis and recurrence of bladder tumor in 9 patients with renal pelvic and ureteral tumors. Within 6 months on average, post-operative metastasis was found in 33.3% (3 out of 9 cases). Differentiating according to the type of chemotherapy, the rate of occurrence of metastasis was 50% (2 out of 4) in the case of treatment with either a combination of FT-207, chromomycin A3 and cytosine arabinoside, or with FT-207 alone, while it was 100% (2 out of 2) in stage pT2 and pT3 patients. For combined administration of CDDP, FT-207 and cytosine arabinoside, or for that of CDDP and neocarzinostatin, on the other hand, the rate of occurrence of metastasis was only 20% (1 out of 5) in stage pT2 and pT3 patients, while CDDP administration was found to be effective for preventing post-operative metastasis. However, while recurrence of bladder tumor was found in a total of 3 out of 9 cases (33.3%), recurrence occurred in 40% (2 out of 5) of the cases treated with CDDP. The administration of CDDP was therefore not found to be effective for preventing recurrence of bladder tumor.