Bladder cancer

Bladder Cancer survival statistics

The most important prognostic factor is the depth of tumour penetration into the bladder wall: T staging of bladder cancer is shown in Figure 3.1. 1,2

Figure 3.1: T Staging of bladder cancer

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Tumours not invading beyond the lamina propria (T1) are classified as superficial. Other prognostic factors include multiple tumour foci, grade and tumour type. Patients with superficial tumours have an excellent prognosis with five-year survival rates between 80-90%. Patients with muscle-invasive bladder cancer have five-year survival rates of less than 50%. Radical treatment deals effectively with locally invasive disease but many patients die from metastatic disease. Early detection while the tumour is still superficial is therefore very important.

One and five-year relative survival rates have risen consistently as Figure 3.2 shows for men and women diagnosed from the early 1970s to 2000/01.3-5

Figure 3.2: Age-standardised five-year survival for male and female bladder cancer patients diagnosed in England and Wales, 1971-2001

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Over this time period, one-year relative survival rates rose from 66-81% for men and 59-71% for women while five-year relative rates rose from 44-66% for men and 42-57% for women. An unusual feature of these survival rates is that men have consistently higher survival rates than women (among common cancers in England and Wales only two cancers, larynx and bladder, have significantly higher male than female survival rates) . This male survival advantage for bladder cancer is seen in many countries.6 Men seem to be diagnosed at a slightly earlier stage than women but this does not explain all their survival advantage, as stage-specific survival is also higher in men than women7,8

It has been suggested that the different anatomy of male and female bladders may account for some of the variation in survival between the sexes.8 However, survival for both men and women decreases strongly with age (Figure 3.3).3

Figure 3.3: Five-year relative survival for male and female patients diagnosed with bladder cancer in England and Wales, 1996-1999, by age at diagnosis

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It is possible that differences in survival over time, between sexes and ages, have been influenced by changes in defining malignant bladder tumours.4

References for bladder cancer survival

  1. Wells P, H.R., Horwich A., Chapter 28. Bladder, in Treatment of Cancer 4th edition, S.K. Price P, Editor. 2002.
  2. Sobin, K.L., Wittekind, C., and (eds), TNM Classification of Malignant Tumours (6th edn). 2002, New York: Wiley-Liss.
  3. Cancer Research UK. Statistical Information Team. 2006
  4. Coleman, M., Babb,P., and Damiecki, P., Cancer Survival Trends in England and Wales, 1971-1995: Deprivation and NHS Region. 1999: TSO.
  5. Coleman, M., et al., Trends in socioeconomic inequalities in cancer survival in England and Wales up to 2001, in BJC. 2004.
  6. Sant, M., et al. EUROCARE-3: survival of cancer patients diagnosed 1990-94-results and commentary. 2003 Accessed 14 Suppl 5
  7. Ries LAG, H., Krapch M et al (eds). SEER Cancer Statistics Review, 1975-2003. Accessed 2006
  8. Mungan, N.A., et al., Gender differences in stage-adjusted bladder cancer survival. Urology, 2000. 55(6): p. 876-80.

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