[Prevention of the recurrence of superficial bladder cancer]

A report is given on recidive prophylaxis in connection with 204 superficial urothelial tumours (pTa and pT1 ) of the urinary bladder. 30 patients received postoperative Betatron or Telekobalt irradiation. The relapse rate was 53%. 24 patients were given a local active unspecific immunotherapy with BCG. The relapse rate was 50%. 48 patients received a local and systematic therapy with vitamin A. The relapse rate was 63%. 102 patients underwent local instillation therapy with Adriamycin. The relapse rate was 27%. The results are classified according to the clinical manifestation (isolated or multifocal tumour, primary or recidive tumour), the infiltration (pTa or pT1 ) and the degree of dedifferentiation of the tumours and discussed in the light of the literature.