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Published on: March 11, 2014
Detection of HPV DNA in Esophageal Lesions: a Cross-Sectional Study
Background:
Several studies have documented human papillomavirus (HPV) in extra-cervical tumors. We aimed to detect HPV type 16 and HPV other than type 16 (OT-16) DNA in esophageal papilloma and esophagus squamous cell carcinoma (ESCC) samples and to compare clinicopathological features of HPV positive and negative patients.
Methods:
Materials were obtained from a tertiary care public hospital and studied in an university hospital for this cross-sectional study. Seventy-six tissue samples (50 papilloma and 26 ESCC) were included. After deparaffinization by xylene and DNA extraction by phenol chloroform-isoamyl-alcohol, 76 samples were studied with a G6PDH control kit. Forty-four papilloma and 21 ESCC samples with enough tissues were studied for HPV DNA. HPV OT-16 DNA and HPV type 16 were detected by real time-polymerase chain reaction.
Results:
Twelve (27.3%) and one (2.3%) of the papilloma samples were HPV type 16 and other than type 16 positive, respectively. Eleven (52.4%) and one (4.8%) of ESCC samples were HPV type 16 and mixed type positive, respectively.
Conclusions:
We suggest that HPV infection is common in esophageal papilloma and ESCC. Due to the wellknown association of HPV with premalignant and malignant conditions, follow-up of these patients accompanied by HPV should be implemented.
