AI Article Synopsis
- The study evaluated the progression risk of advanced neoplasia in patients with mild-moderate dysplasia, a condition linked to esophageal cancer, in rural China from 2010 to 2021.
- Out of 1183 patients followed for nearly 7 years, 7.44% developed advanced neoplasia, with a median progression time of 2.39 years.
- Key risk factors for progression included older age (55+) and family history of esophageal cancer, suggesting the need for endoscopic monitoring, especially during the first 2 to 3 years post-diagnosis.
Article Abstract
Background & Aims: Mild and moderate dysplasia are major premalignant lesions of esophageal squamous cell carcinoma (ESCC); however, evidence of the progression risk in patients with these conditions is extremely limited. We aimed to assess the incidence and risk factors for advanced neoplasia in patients with mild-moderate dysplasia.
Methods: This prospective cohort study included patients with mild-moderate dysplasia from 9 regions in rural China. These patients were identified from a community-based ESCC screening program conducted between 2010 and 2016 and were offered endoscopic surveillance until December 2021. We estimated the incidence of advanced esophageal neoplasia, including severe dysplasia, carcinoma in situ, or ESCC, and identified potential risk factors using the Cox regression model.
Results: The 1183 patients with mild-moderate dysplasia were followed up over a period of 6.95 years. During follow-up evaluation, 88 patients progressed to advanced neoplasia (7.44%), with an incidence rate of 10.44 per 1000 person-years. The median interval from the progression of mild-moderate dysplasia to advanced neoplasia was 2.39 years (interquartile range, 1.58-4.32 y). A total of 74.47% of patients with mild-moderate dysplasia experienced regression to nondysplasia, and 18.09% showed no lesion progression. Patients with mild-moderate dysplasia who had a family history of esophageal cancer and were age 55 years and older showed 97% higher advanced neoplasia yields than all patients with mild-moderate dysplasia.
Conclusions: In a country with a high incidence of ESCC, patients with mild-moderate dysplasia showed an overall risk of advanced neoplasia progression of 1.04% per year. Patients with mild-moderate dysplasia would be recommended for endoscopic surveillance during the first 2 to 3 years.
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| http://dx.doi.org/10.1016/j.cgh.2022.04.039 | DOI Listing |
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