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Copyright ©The Author(s) 2020.
World J Gastrointest Pathophysiol. Jun 20, 2020; 11(4): 78-83
Published online Jun 20, 2020. doi: 10.4291/wjgp.v11.i4.78
Table 1 Histologic and molecular changes in traditional serrated adenoma
Country/TerritoryPolypDistalBRAFKRASWild typeECFSlit-like serrationTypical cytologyRef.
United States2496% (23)29% (7)46% (11)25% (6)NANA79% (19)[14]
South Korea10774.8% (80)55.1% (59)33.6% (36)11.2% (12)79.4% (85)100% (107)100% (107)[8]
Taiwan6061.7% (37)35% (21)52% ( 31)13.3% (8)NANANA[13]
Australia20071% (142)67% (134)22% (43)11% (23)89% (178)98% (196)100% (200)[12]
Japan12982.2% (106)61.2% (79)34.8% (45)3.9% (5)NANANA[15]
Australia7071% (50)47% (33)31% (22)21% (15)67% (47)81% (57)NA[20]
Total59074.2% (438)56.4% (333)31.9%(188)11.7% (69)82% (310/377)95% (360/377)98.5% (326/331)