The Malaysian journal of pathology · 2016
Human papillomavirus (HPV) in Egyptian females: study by cytology, histopathology, colposcopy and molecular diagnosis of high risk types.
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Nayel M A, Shaker O G, Hosni A N, Hosni H N, Khalifa S E, Shazly A F
Аннотация
OBJECTIVES: In Northern Africa, the region Egypt belongs to, about 10.7% of women are estimated to harbour cervical human papillomavirus (HPV) infection and 78.4% of invasive cancers are attributed to HPVs 16 or 18. We aimed at comparing HPV detection by ISH-PCR tissue with other conventional available cheaper techniques, finding which of them can be relied upon in a developing country like Egypt for HPV detection.
METHODS: Sixty patients were included. For them colposcopy, PAP smear, histopathology and detection of HPV using ISH PCR tissue and PCR swab were achieved.
RESULTS: PCR-ISH tissue was positive in 53.33%, 46.6% were negative. Pap smear was negative in 26 cases (43.33%) and 43 cases (56.67%) were positive. LSIL with perinuclear halo represented nearly half of the positive cases (16/34; 47.05%), 10 cases were diagnosed as HSIL, 4 cases as ASCUS and 4 as AGC. Histopathology was negative in 12 (20%) cases and 48 (80%) cases were positive. CIN I and CIN I+ koliocytosis represented half of the cases (30/60) and more than half of positive cases (30/48; 62.5%). Comparing the results of pap smear, histopathology, colposcopy and PCR swab with ISH PCR tissue, highly significant results were seen with sensitivity of 87.5%, 100%, 62.5% and 56.2% respectively but the specificity were 78.6%, 42.9%, 28.6% and 100% respectively.
CONCLUSION: Conventional cytology and histopathology were sensitive tests for detection of HPV. This may help for early detection of cancer cervix in a developing country like Egypt. PCR swab showed the highest specificity and the lowest sensitivity.
METHODS: Sixty patients were included. For them colposcopy, PAP smear, histopathology and detection of HPV using ISH PCR tissue and PCR swab were achieved.
RESULTS: PCR-ISH tissue was positive in 53.33%, 46.6% were negative. Pap smear was negative in 26 cases (43.33%) and 43 cases (56.67%) were positive. LSIL with perinuclear halo represented nearly half of the positive cases (16/34; 47.05%), 10 cases were diagnosed as HSIL, 4 cases as ASCUS and 4 as AGC. Histopathology was negative in 12 (20%) cases and 48 (80%) cases were positive. CIN I and CIN I+ koliocytosis represented half of the cases (30/60) and more than half of positive cases (30/48; 62.5%). Comparing the results of pap smear, histopathology, colposcopy and PCR swab with ISH PCR tissue, highly significant results were seen with sensitivity of 87.5%, 100%, 62.5% and 56.2% respectively but the specificity were 78.6%, 42.9%, 28.6% and 100% respectively.
CONCLUSION: Conventional cytology and histopathology were sensitive tests for detection of HPV. This may help for early detection of cancer cervix in a developing country like Egypt. PCR swab showed the highest specificity and the lowest sensitivity.