Cervical
cancer share the same cause as most anal cancer: namely HPV
viruses. Thus, it is reasonable to be concerns. Our
study done at the West Clinic has just been published in August 2013 at the
Obstetrics & Gynecology journal.
We studied 327 patients with a biopsy-confirmed diagnosis of genital intraepithelial
neoplasia (vulvar, vaginal, or cervical) underwent both anal cytology and
anoscopy. We identified 64 (46.7%) women with anal intraepithelial neoplasia
(which may lead to anal cancer), yielding a prevalence of 19.6%.
Immunosuppression, vulvar dysplasia, multiple sexual partners (more than four),
smoking history, and history of anal sex were positively associated with anal
intraepithelial neoplasia (P<.05).
We develop a simple predictive model
based on the presence or absence of two of three risk factors (VIN, immunosuppression,
and history of anal sex). If you have two out of these 3 risk factors,
please discuss with your health care providers about screening test for anal
cancer.
Reference: Elnaggar AC, Santoso JT. Risk Factors for anal intraepithelial
neoplasia in Women with genital dysplasia.
Obstet Gynecol . 2013, 122: 218-223
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