• Kanan T Desai, Natasha Hansen, Ana-Cecilia Rodriguez, Brian Befano, Didem Egemen, Julia C Gage, Nicolas Wentzensen, Catya Lopez, Jose Jeronimo, Silvia de Sanjose, and Mark Schiffman.
• Clinical Epidemiology Unit, Clinical Genetic Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD, United States; Internal Medicine Residency, Icahn School of Medicine at Mount Sinai, Elmhurst Hospital Center, New York, United States. Electronic address: kanan.desai@nih.gov.
• Prev Med. 2024 Mar 1; 180: 107881107881.

AbstractVisual assessment is currently used for primary screening or triage of screen-positive individuals in cervical cancer screening programs. Most guidelines recommend screening and triage up to at least age 65 years old. We examined cervical images from participants in three National Cancer Institute funded cervical cancer screening studies: ALTS (2864 participants recruited between 1996 to 1998) in the United States (US), NHS (7548 in 1993) in Costa Rica, and the Biopsy study (684 between 2009 to 2012) in the US. Specifically, we assessed the visibility of the squamocolumnar junction (SCJ), which is the susceptible zone for precancer/cancer by age, as reported by colposcopist reviewers either at examination or review of cervical images. The visibility of the SCJ declined substantially with age: by the late 40s the majority of people screened had at most partially visible SCJ. On longitudinal analysis, the change in SCJ visibility from visible to not visible was largest for participants from ages 40-44 in ALTS and 50-54 in NHS. Of note, in the Biopsy study, the live colposcopic exam resulted in significantly higher SCJ visibility as compared to review of static images (Weighted kappa 0.27 (95% Confidence Interval: 0.21, 0.33), Asymmetry chi-square P-value<0.001). Lack of SCJ visibility leads to increased difficulty in diagnosis and management of cervical precancers. Therefore, cervical cancer screening programs reliant on visual assessment might consider lowering the upper age limit for screening if there are not adequately trained personnel and equipment to evaluate and manage participants with inadequately visible SCJ.Published by Elsevier Inc.

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