Classification of Intestinal Intussusception

Term	Meaning
intussusceptum	bowel that has migrated into the intussuscipiens
intussuscipiens	bowel segment into which the migrating bowel enters (outer bowel envelope)
entering bowel	migrating bowel proximal to the intussusception

 

Enteric or enteroenteric refers to involvement of the small intestine only.

 

Types (first part = intussusceptum, second part = intussuscipiens):

(1) jejunojejunal

(2) ileoileal

(3) ileocecal (ileocecocolic, prolapse of ileocecal valve into cecum)

(4) ileocolic

(5) cecocolic

(6) colocolic

(7) colorectal

 

where:

• In theory there could be a jejunoileal type as well.