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1.
Korean Journal of Urology ; : 927-932, 2002.
Article in Korean | WPRIM | ID: wpr-121202

ABSTRACT

PURPOSE: We compared prophylactic effects and complications of intravesical instillation of the Connaught and Tice strains bacillus Calmette-Guerin (BCG) in patients with stage pT1 bladder cancer. MATERIALS AND METHODS: A total of 98 patients with stage pT1 bladder cancer were treated with transurethral resection (TUR) between January 1992 and April 1998. Of the 98 patients, 51 received the Connaught strain BCG (81mg), 27 the Tice strain BCG (12.7mg) and 20 patients underwent TUR alone. The patients were followed-up for 18-78 months (mean 42.5months). The recurrence and progression rates, mean months to tumor recurrence, recurrence free survival rate, using Kaplan-Meier curve, and complications, were compared between the two BCG strain groups. RESULTS: The overall recurrence rate was 27.5% in the Connaught strain BCG group, 29.6% in Tice strain BCG group and 65% in TUR alone group. The mean months to tumor recurrence, and the recurrence free survival rate, showed that both BCG strain drugs were superior to TUR alone. Although the prophylactic efficacy of the Connaught strain BCG was a little higher than that of the Tice strain BCG, there were no significant differences in the recurrence rates and recurrence free survival rates between the two drugs. The incidences of complications were 94.1 and 85.2% in the Connaught strain BCG and Tice strain BCG groups, respectively. CONCLUSIONS: Both the Connaught and Tice BCG strains were superior to TUR alone in the prophylaxis of the recurrence in stage pT1 bladder cancer. There was no significant difference in the complication rates between the two groups. Therefore, both the Connaught and Tice BCG strains may be regarded as alternative treatments.


Subject(s)
Humans , Administration, Intravesical , Bacillus , BCG Vaccine , Incidence , Mycobacterium bovis , Recurrence , Survival Rate , Urinary Bladder Neoplasms , Urinary Bladder
2.
Korean Journal of Urology ; : 714-716, 2002.
Article in Korean | WPRIM | ID: wpr-207441

ABSTRACT

Various intravesical foreign bodies have been extracted from the bladder. Their introduction into the bladder may be through self-insertion, iatrogenic insertion or migration from the adjacent organs. The means of extracting the foreign bodies differ according to the nature and characteristics of the foreign bodies and to minimize bladder and urethral injury. However, complete extraction should also be confirmed after the extraction procedure. Bladder stone formation in an intra-uterine contraceptive device that perforates into the bladder seldom occurs. We experienced a case of a bladder stone that formed in an intra-uterine contraceptive device, which had perforated into the bladder. The possibility of an intravesical foreign body should be considered in any patient with chronic unexplained lower urinary tract symptoms.


Subject(s)
Humans , Contraceptive Devices , Foreign Bodies , Foreign-Body Migration , Intrauterine Devices , Lower Urinary Tract Symptoms , Urinary Bladder Calculi , Urinary Bladder
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