Advances in the study of sessile serrated lesions of colorectal
According to the classification of digestive system tumors by the WHO in 2019,serrated polyposis(SP)can be classified as hyperplastic polyp(HP),sessile serrated lesions(SSL),SSL with dysplasia(SSLD),traditional serrated adenoma(TSA)and unclassified serrated adenoma.SSL is considered to have malignant potential,especially after the appearance of cell dysplasia,can progress rapidly to colorectal cancer(CRC).The prevalence of SSL is not low,but our detection rate is far lower than the international average level,therefore,it is very crucial to strengthen the understanding of SSL.Based on the literature,this paper reviewed the latest research progress of SSL related risk factors,histological findings,molecular biomarkers,endoscopic findings,endoscopic therapy and postoperative moni-toring.
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