Table 5.

Surveillance recommendations in juvenile polyposis.

Organ	Patients	Methods	Age at starting	Interval
Colon, Rectum	All JPS patients	Colonoscopy	12–15 years	1–3 years Depending on phenotype
Stomach, Duodenum	SMAD4	Gastroduodenoscopy	18 years	1–3 years Depending on phenotype
	BMPR1A		25 years	3 years
Vascular manifestations	SMAD4	Referral to HHT specialist Individual screening

HHT hereditary hemorrhagic telangiectasia, JPS juvenile polyposis syndrome.