作者: O Richel , H J C de Vries , R P van der Zee , J M Prins
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摘要: BACKGROUND: Anal cancer incidence is gradually increasing. The cause of this increase not exactly known. This systematic literature review aimed to investigate the trend in time anal and find an explanation for supposed increase. METHODS: TRIP database PubMed were searched trends general population, risk factors groups cancer, these groups. RESULTS: Age-adjusted rates have increased all Western countries during last decades, up 2.2% per year. Infection with oncogenic human papilloma virus most important aetiological factor. Besides increasing age, other been identified: smoking, sexual practices, particular receptive intercourse, being immunodeficiency (HIV) positive. standardised ratio (SIR) significantly HIV-positive men who sex (MSM) (SIR 77.8), organ transplant recipients approx. 6) women a history cervical or intraepithelial neoplasia 16). Absolute numbers MSM decades. CONCLUSION: can be partially explained by rate absolute number group: MSM. renal probably also contributes. Further studies should answer question whether would benefit from preventive screening cancer.