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Complementary procedures in cervical cancer screening in low resource settings.

Surabhi Katyal¹, Ragini Mehrotra

¹Department of Obstetrics & Gynecology, Moti Lal Nehru Medical College, 390 New Mumfordganj, Allahabad, 2110021 Uttar Pradesh India.

Journal of Obstetrics and Gynaecology of India

|August 2, 2012

Summary

Human Papillomavirus (HPV) DNA testing demonstrates higher sensitivity and accuracy than Pap smears for cervical cancer screening in low-resource settings. This approach optimizes detection of pre-invasive lesions while reducing unnecessary colposcopy referrals.

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Area of Science:

Gynecology
Oncology
Public Health

Background:

Cervical cancer remains a significant global health challenge, particularly in low-resource settings.
Effective screening strategies are crucial for early detection and prevention of invasive disease.

Purpose of the Study:

To compare the efficacy of Pap smear, HPV DNA testing, and colposcopy for cervical cancer screening.
To determine an optimal screening approach for low-resource settings.

Main Methods:

A study involving 800 non-pregnant women over 30 years old.
Participants underwent Pap smear, followed by HPV DNA testing, colposcopy, and biopsy for selected cases.
Statistical analysis included sensitivity, specificity, PPV, NPV, and diagnostic accuracy.

Keywords:

Cervical cancer HPV testing Pap smear

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Main Results:

HPV DNA testing showed higher sensitivity (92.3%) and specificity (84%) compared to Pap smear (69.2% and 63.72%).
HPV DNA testing had superior diagnostic accuracy (84.9%) and kappa value (0.70) versus Pap smear (64.29% and 0.14).
Combining Pap smear and HPV DNA testing achieved 100% sensitivity and NPV.

Conclusions:

HPV DNA testing is more sensitive and accurate than Pap smear, unaffected by vaginal inflammation.
In low-resource settings, HPV DNA testing for ASCUS/LSIL followed by colposcopy if positive, and direct colposcopy for HSIL, is recommended.
This strategy maximizes detection of pre-invasive lesions, though inflammatory smears may require supplementary testing.