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  • Title: Prevalence and type distribution of human papillomavirus in cervical adenocarcinoma in Korean women.
    Author: Park JS, Kim YT, Lee A, Lee Y, Kim KT, Cho CH, Choi HS, Jenkins D, Pirog EC, Molijn AC, Ramakrishnan G, Chen J.
    Journal: Gynecol Oncol; 2013 Jul; 130(1):115-20. PubMed ID: 23485771.
    Abstract:
    BACKGROUND: An increase in incidence of cervical adenocarcinoma (CADC) has been reported in many countries, including Korea. However, few studies describe human papillomavirus (HPV) type distribution among CADC in Asia. OBJECTIVE AND METHODS: This was a retrospective, hospital-based observational study between 2005 and 2010 to estimate the overall prevalence and distribution of HPV types among CDAC in Korean women. The study used hematoxylin & eosin and immunohistochemical staining (for the two biomarkers p16 and progesterone receptor [PR]) to diagnose and subtype CADC samples. HPV DNA was amplified by polymerase chain reaction (PCR) and HPV genotypes were identified using reverse hybridization. RESULTS: Of 196 cases submitted, 89.3% of the cases were confirmed as CADC. The mean age at diagnosis was 47.1 (standard deviation [SD] 11.9) years. No statistically significant differences in mean age at diagnosis by histological subtype were found. HPV DNA was detected in 90.3% (177/196) of CADC. HPV-18 was the most prevalent type (54.2%), followed by HPV-16 (44.1%) and HPV-45 (3.4%). Infection with any high-risk HPV type was identified in 97.7% of HPV-DNA-positive CADC. The biomarker p16 was positive in 92% of CADC cases and PR was positive in 19.6% of CADC. CONCLUSION: HPV DNA was found in the large majority of CADC in Korean women, with HPV-18 being the most common type followed by HPV-16 and HPV-45. This study is among the first in Asia to specifically report HPV type distribution in CADC. This information will help inform policy decisions concerning HPV vaccination for the prevention of CADC.
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