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논문분류	춘계학술대회 초록집
제목	Suboptimal Cancer Screening in Kidney Transplantation Recipients: A Nationwide Population-Based Analysis
저자	Jinsun Lee
출판정보	2025; 2025(1):
키워드	Cancer screening, Kidney transplant, Dialysis, Screening adherence
초록	Real-world data on post-transplant cancer screening adherence among kidney transplant (KT) recipients are limited. We aimed to compare the cancer screening rates of KT recipients with dialysis patients and the general population (GP). Using the Korean National Health Insurance Service database, we identified individuals who underwent national cancer screening (2002–2022). Screening eligibility followed national guidelines: biennial mammography (women ≥ 40 years), biennial gastroduodenoscopy (≥ 40 years), annual fecal occult blood test (≥ 50 years), and biennial Pap smear (women ≥20 years). We excluded individuals with malignancy within 3 years before or 180 days after KT or dialysis. After a 3-year washout (2006–2008), 1:1 exact matching was performed using age, sex, index year, dialysis duration, and comorbidities, with the KT group as the reference. We identified 408,510 participants: 19,876 KT, 106,919 dialysis, and 281,715 from the GP. KT recipients were older than the GP but younger than dialysis patients and had the lowest proportion of male. After matching, each group included 17,476 participants with similar age and sex distributions. Overall, national cancer screening rates increased over time primarily driven by the GP, whereas the increase was relatively slower in KT recipients. Despite the upward trend, the maximum screening rate remained below 60%. Among cancer types, colorectal cancer screening rate was lowest, while breast cancer had the highest. Dialysis patients consistently exhibited the lowest participation across all cancer types. In recent years, KT recipients showed similar or lower cancer screening rates than the GP across all cancer types, particularly for gastric cancer. Despite free national screening program, overall cancer screening uptake remained suboptimal. Dialysis patients consistently had the lowest participation across all cancer types. In recent years, KT recipients showed similar or lower cancer screening rates than the GP across all cancer types, particularly for gastric cancer.
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