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A report of human papilloma virus-16 associated vaginal carcinoma after thirty-two years of successful radiation therapy for cervical cancer
- Jain, Gazal, Sabeena, Sasidharanpillai, Vasudeva, Akhila, Mundkur, Anjali, Srinivas, Srilatha Parampalli, Arunkumar, G., Kumar, Pratap
- Virusdisease 2018 v.29 no.4 pp. 537-539
- DNA, Papillomaviridae, biopsy, cell biology, cervix, excision, histopathology, humans, irradiation, papilloma, patients, postmenopause, radiotherapy, risk, squamous cell carcinoma, uterine cervical neoplasms
- Once the recommended 5-year recurrence-free follow-up is achieved for cervical cancers regular annual pelvic examination is mandatory. The main aim of presenting this short report is to emphasize the difficulties in the collection and interpretation of cytology samples from stenosed cervix or vault after pelvic irradiation. Radiotherapy can induce changes in the cellular morphology which may persist for many years. A 64-year old post-menopausal lady who had received radiation therapy 32 years back for cervical carcinoma stage IIb presented to the Gynecology outpatient department with vaginal spotting. Even though the patient was under regular follow-up for the initial 2 years, she was lost to further follow-ups. The patient was symptom-free except for one episode of spotting in August 2016 and the histopathological examination of the vault smear had ruled out malignancy. However, 1 month later she again presented with spotting and pelvic examination revealed a warty growth at the lateral vaginal wall. The tissue excision biopsy was tested positive for HPV-16 DNA and the histopathology confirmed vaginal squamous cell carcinoma. The association of human papilloma virus (HPV) in cervical cancers was well established and these patients manifest a higher risk of HPV-induced vaginal cancers. HPV DNA testing during follow-up may facilitate early recognition of HPV-related lower genital tract cancers.