Briefly noted: A recent study (L Vuitton et al. Clin Gastroenterol Hepatol 2018; 16: 1768-76) document a high prevalence of anal canal high-risk human papillomavirus (HPV) infection in all subjects (n=469, median age 54 years) and even higher rates in patients with Crohn’s disease (n=70). The authors detected HPV DNA in anal tissues from 34% of the subjects and high risk (oncogenic) HPV in 18%. In patients with Crohn’s disease, high risk HPV was detected in 30%.
My take: HPV infection predisposes to anal cancer which represent 3-4% of lower-digestive tract cancers. The high rate of HPV
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