Criteria of Jass et al for Familial Juvenile Polyposis

 

Criteria for familial juvenile polyposis - one or more of the following:

(1) more than 5 juvenile polyps of the colorectum

(2) juvenile polyps throughout the gastrointestinal tract (stomach, small intestine, colon and rectum)

(3) any number (>=1) of juvenile polyps in a patient with a family history of juvenile polyposis

 

Syndromes of familial juvenile polyposis:

(1) juvenile polyposis of infancy (transmitted as non-sex-linked recessive trait)

(2) familial juvenile polyposis coli (autosomal dominant trait with high penetrance)

(3) familial juvenile gastric polyposis

(4) generalized juvenile polyposis

Polyp(s) Located in	Family History	Juvenile Polyposis (JP)
colon and rectum	no	solitary JP
colon and rectum, variable small intestine	variable	JP coli
entire GI tract (from stomch to rectum)	yes	juvenile gastrointestinal polyposis
stomach	yes	familial JP of stomach