Objective: To test the performance of a new fixative for pap smear collection for liquid-based cervical cytology, CellPreserv® and compare it with the commercially available, PreservCyt® used in the diagnosis and detection of human papillomavirus (HPV). Methods: Seven hundred twenty five women participated in this study after signing an informed consent. The specimens were collected using a traditional device, agitated in PBS, and equally divided in both fixatives. The slides were prepared routinely, stained by Papanicolaou, examined blindly by 2 cytologists, and reviewed by one cytopathologist. To search for HPV, 1,000 μL from each fixative was taken and processed by polymerase chain reaction. Results: Considering the adequacy of samples, both fixatives had similar results – 0.33 and 0.32% of the cases unsatisfactory for PreservCyt® and CellPreserv®, respectively. Considering the 701 satisfactory cases and comparing the new fixative to the traditional fixative, there was 99.3% concordance between both. The results regarding the HPV detection was 100% concordant between the 2 fixatives. Conclusion: The new methanol-based fixative, CellPreserv®, is cheaper and equally efficient for treating cervical cancer screening and for HPV detection, and can be safely used by the health system prevailing in low-income countries.

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