title: [Anal cancer and sexually transmitted diseases: what is the correlation?].
abstract: OBJECTIVE
  Anal cancer is a rare tumor, which incidence is influenced by sexual behavior. The purpose of this paper is to verify the correlation between anal cancer and sexually transmitted diseases, such as HPV, HIV, Gonococci infection, Chlamydia infection, syphilis and others.
  
  
  METHODS
  All the internments due to anal cancer, HIV, HPV, syphilis, Gonococci infection, Chlamydia infection and other sexually transmitted diseases in public healthy in Brazil were collected at Datasus site between 1998 and 2007. The Pearson correlation test was done.
  
  
  RESULTS
  There was a high correlation between anal cancer and HPV admissions (r=0.98, p<0.001). There was negative correlation between anal cancer and Gonococci infection admissions (r=-0.81, p=0.005) and anal cancer and Chlamydia infection (r=-0.74, p=0.014). There was not statistic significant correlation between anal cancer and HIV admissions (r=0.40, p=0.245), between anal cancer and other sexually transmitted diseases (r=0.55, p=0.1), and between anal cancer and syphilis (r=-0.61, p=0.059).
  
  
  CONCLUSIONS
  There was a high positive correlation between anal cancer and HPV admissions in Brazil. There were negative correlations between anal cancer and Gonococci infection and between anal cancer and Chlamydia infection admissions.
authors.affiliation: Programa de Pós-Graduação em Ciências Médicas, Faculdade de Medicina, Universidade de Brasília, DF, BR.
authors.forename: Leonardo de Castro
authors.initials: Lde C
authors.lastname: Durães
authors.forename: João Batista de
authors.initials: JB
authors.lastname: Sousa
mesh_terms: D001005:Anus Neoplasms / Q000150:complications* / Q000453:epidemiology*; D006801:Humans; D012749:Sexually Transmitted Diseases / Q000150:complications* / Q000453:epidemiology*