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Mohamed Laban,1 Eman A Ibrahim,2 Alaa S Hassanin,3 Magda A Nasreldin,4 Amal Mansour,5 Waleed M Khalaf,3 Ahmed M Bahaa Eldin,3 Sherif H Hussain,3 Mohammed S Elsafty,1 Ahmad S Hasanien6 1Gynecologic Oncology Unit, Obstetrics and Gynecology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 2Pathology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 3Obstetrics and Gynecology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 4Pathology Department, Early Cancer Detection Unit of Ain Shams Maternity Hospital, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 5Biochemistry and Molecular Biology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; 6Family Medicine Department, Royal Australian College of General Practitioners, Sydney, Australia Background: The aim of this study was to evaluate the association of Chlamydia trachomatis (CT) infection with primary tubal and high-grade serous ovarian cancers. Methods: This is a cross-sectional, retrospective study conducted at Ain Shams University Maternity Hospital, Egypt, from February 2008 to October 2017. Sixty-seven paraffin archival blocks specimens were retrieved from cases who underwent staging laparotomy due to high-grade serous ovarian cancer (30 cases), primary tubal serous cancer (25 cases), and control specimens of (12) tubal specimens from cases of benign gynecological conditions. All samples were examined for CT DNA using semiquantitative qRT-PCR. Results: CT DNA was detected in 84% of high-grade tubal serous cancer, 16.7% of high-grade serous ovarian cancer, and 13.3% in controls (P |
