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a smoothly rounded mucosal hamartoma of the large bowel, which may be multiple and cause rectal bleeding, especially in the first decade of life; it is not precancerous.
Synonym(s): retention polyp
juvenile polypGI disease A potentially premalignant GI tract polyp in children. See Polyp.
A benign rounded mucosal hamartoma of the large bowel. This type of polyp may be present in large numbers in infants and is commonly associated with rectal bleeding.Synonym: retention polyp
See also: polyp