[Bladder sparing options for muscle invasive high risk bladder cancer].

Radical cystectomy is not a suitable option for every patient with muscle-invasive bladder cancer. Whereas radiotherapy (in combination with radio-sensitizing chemotherapy) is mentioned as an alternative in the current German S3 guideline, numbers are low in Germany compared to other countries. We try here to sum up the current evidence and data, especially regarding the definition of on optimal patient population to profit from this kind of therapy. Furthermore, we take a look at the role of cystectomy in the age of modern tumour therapy.