Hamzah Abu-Sbeih1, Ellie Chen2, Osman Ahmed1, Niharika Mallepally2, Phillip Lum1, Wei Qiao3, Hun Ju Lee4, Robert Bresalier1, Lan Sun Wang1, Brian Weston1, Gottumukkala S Raju1, Yinghong Wang5. 1. Department of Gastroenterology, Hepatology and Nutrition, Unit 1466, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA. 2. Department of Internal Medicine, Baylor College of Medicine, Houston, TX, 77030, USA. 3. Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA. 4. Department of Lymphoma/Myeloma, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA. 5. Department of Gastroenterology, Hepatology and Nutrition, Unit 1466, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA. ywang59@mdanderson.org.
Abstract
BACKGROUND: Patients with non-Hodgkin's lymphoma (NHL) are frequently referred for colonoscopy to evaluate gastrointestinal symptoms during their treatment course. Here, we described the rate of colonic adenomas in patients with NHL. METHODS: This was a retrospective study of patients with NHL who underwent colonoscopy after being diagnosed with NHL between January 2000 and December 2017. RESULTS: Of the 17,938 patients who had been diagnosed with NHL in the study period, 2176 met the inclusion criteria. The mean age at the time of colonoscopy was 61 years. Most patients were male (61%). Overall, 1273 polyps were detected in 811 patients (37%). Sessile serrated adenomas were detected in 102 (5%) patients. The overall ADR was 12% in patients younger than 40 years of age (n = 103), 26% in patients aged 40-50 (n = 251), 34% in patients aged 51-60 (n = 630), and 43% in patients older than 60 (n = 1212). Most polyps were located in the right colon (63%), and 101 (8%) were larger than 1 cm. Villous adenomatous features were present in 1% of polyps, while high-grade dysplasia was detected in 22%. Invasive adenocarcinoma was identified in 4%. The median interval from lymphoma diagnosis to adenoma detection was 1.4 years (interquartile range 0.5-3.8 years). A repeat colonoscopy was performed in 343 patients. The overall ADR on repeat colonoscopy was 30%. Cox regression analysis revealed that age (hazards ratio 1.04; 95% confidence interval 1.03-1.05; P < 0.001) and male sex (hazards ratio 1.35; 95% confidence interval 1.13-1.60; P = 0.001) were independent factors associated with worse overall survival. By contrast, screening colonoscopy was associated with longer survival duration (hazards ratio 0.48; 95% confidence interval 0.36-0.63; P < 0.001). CONCLUSION: The ADR in NHL patients aged 40-50 years was equivalent to that reported in the literature in non-cancer patients aged 50-70 years. Early screening colonoscopy may be warranted in NHL patients younger than 50 years. Screening colonoscopy significantly improved the overall survival of patients with NHL.
BACKGROUND:Patients with non-Hodgkin's lymphoma (NHL) are frequently referred for colonoscopy to evaluate gastrointestinal symptoms during their treatment course. Here, we described the rate of colonic adenomas in patients with NHL. METHODS: This was a retrospective study of patients with NHL who underwent colonoscopy after being diagnosed with NHL between January 2000 and December 2017. RESULTS: Of the 17,938 patients who had been diagnosed with NHL in the study period, 2176 met the inclusion criteria. The mean age at the time of colonoscopy was 61 years. Most patients were male (61%). Overall, 1273 polyps were detected in 811 patients (37%). Sessile serrated adenomas were detected in 102 (5%) patients. The overall ADR was 12% in patients younger than 40 years of age (n = 103), 26% in patients aged 40-50 (n = 251), 34% in patients aged 51-60 (n = 630), and 43% in patients older than 60 (n = 1212). Most polyps were located in the right colon (63%), and 101 (8%) were larger than 1 cm. Villous adenomatous features were present in 1% of polyps, while high-grade dysplasia was detected in 22%. Invasive adenocarcinoma was identified in 4%. The median interval from lymphoma diagnosis to adenoma detection was 1.4 years (interquartile range 0.5-3.8 years). A repeat colonoscopy was performed in 343 patients. The overall ADR on repeat colonoscopy was 30%. Cox regression analysis revealed that age (hazards ratio 1.04; 95% confidence interval 1.03-1.05; P < 0.001) and male sex (hazards ratio 1.35; 95% confidence interval 1.13-1.60; P = 0.001) were independent factors associated with worse overall survival. By contrast, screening colonoscopy was associated with longer survival duration (hazards ratio 0.48; 95% confidence interval 0.36-0.63; P < 0.001). CONCLUSION: The ADR in NHLpatients aged 40-50 years was equivalent to that reported in the literature in non-cancerpatients aged 50-70 years. Early screening colonoscopy may be warranted in NHLpatients younger than 50 years. Screening colonoscopy significantly improved the overall survival of patients with NHL.
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