Nucleolar organiser regions (AgNORs) as predictors in transitional cell bladder cancer
1991

Predicting Bladder Cancer Outcomes with AgNORs

Sample size: 229 publication Evidence: moderate

Author Information

Author(s): P.K. Lipponen, M.J. Eskelinen, S. Nordling

Primary Institution: University of Kuopio; University of Helsinki

Hypothesis

Can silver-stained nucleolar organizer regions (AgNORs) predict outcomes in transitional cell bladder cancer?

Conclusion

AgNORs can predict progression and survival in superficial bladder cancers but are less effective in muscle invasive cases.

Supporting Evidence

  • AgNORs were significantly related to clinical stage, papillarity, WHO grade, DNA ploidy, and S-phase fraction.
  • AgNORs predicted bladder cancer related survival.
  • AgNORs had independent predictive value in superficial cancers.

Takeaway

Doctors can use a special test called AgNORs to help figure out how serious a bladder cancer is and how likely it is to get worse.

Methodology

The study analyzed AgNOR counts in biopsy specimens from 229 patients with transitional cell bladder cancer over a follow-up period of more than 10 years.

Limitations

The study may not apply to all types of bladder cancer, and AgNORs are not as reliable for muscle invasive cancers.

Participant Demographics

Patients aged 45-84 years, with a male/female ratio of 183/46.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.05

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