结直肠息肉切除术后病理升级的预测模型构建

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[关键词] 肠息肉;内镜黏膜下剥离术;病理学;预测;列线图[中图分类号] R574 [文献标志码] A [文章编号] 2096-532（2025）02-0280-05doi：10.11712/jms.2096-5532.2025.61.057

[Abstract] Objective Toexloretheriskfactorsfor atholoicalu radin aftercolorectal ol ectom andconstructa predictivemodel. Methods Weincluded342patientswithcolorectalpolypswhohadundergoneamucosalbiopsyattheGastroenterology，thePeople’s.Acordingtopostoperativepathologicalresults，thepatientsweredividedintopathologicalupgradegroup（12cases）andpathologicalconsistencygroup（230cases）.Theriskfactorsfor postoperativepathologicalupgradingwereanalyzed，andapredictivemodelwasconstructedandevaluated. Results Lobulated polyps，mucosalcongestion，pedunculatedpolyps，age，polypdiameter，albumin，platelet-to-lymphocyteratio，and mucosal roughnes wereindependentriskfactorsforpathologicalupgradingaftercolorectalpolypresection ⋅e<0.05 ）.Forthenomogram predictionmodelconstructedwiththeriskfactors，theareaunderthereceiveoperatingcharacteristiccurvewas0.808 95%CI= 0.754-0.856> ），withasensitivity 62.5% andaspecificity 86.5% .Boththecalibrationcurveandclinicaldecisioncurveshowed thatthe redictionmodelhad od redictionvalue. Conclusion The redictivemodelconstructedinthisstud showsfavorable eficacyforpredictingpathologicalupgradingfolowingcolorectalpolypectomy，whichisworthyclinicalpromotion.

[Keywords] intestinalpolyps;endoscopicmucosalresection;pathology;forecasting;nomograms

中国结直肠癌 年总发病人数约 万，占据中国各癌种的第 位，占总癌种发病人数的12.2%[1] 。（剩余6803字）