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Copyright ©The Author(s) 2015.
World J Gastrointest Surg. Mar 27, 2015; 7(3): 25-32
Published online Mar 27, 2015. doi: 10.4240/wjgs.v7.i3.25
Table 2 Clinical features and colon cancer risk in Hamartomatous Polyposis Syndromes, according to literature series
SyndromeMain clinical features polyp distributionIncreased risk of other tumorsColon cancer risk
Juvenile PolyposisJuvenile polyps Distribution: large bowel (mainly), small bowel, stomachGastric and colorectal39%-68%
Peutz-JeghersPeutz-Jeghers polyps Typical melanotic oral and dermic pigmentations Distribution: small bowel, large bowel, stomachGastric, small bowel, pancreas, colorectal, ovary, uterus, breasts, sex cords39%-57%
PTENMucocutaneous tumors (multiple trichilemmomas) Distribution: Small bowel, large bowel, stomachBreast, thyroid, retina and uterus cancer18%