Type 4 involves retrograde intussusception
, where the proximal appendix is invaginated into the distal appendix.
MacDermott, "Retrograde intussusception 5 years after Roux-en-Y gastric bypass for morbid obesity," Irish Journal of Medical Science, vol.
Type 2, the most frequent form (75.5%), is further divided into two as follows: Type 2a, which are the retrograde intussusceptions of the efferent loop, and Type 2b efferent-efferent intussusceptions.
Intussuscepta are usually orad to the intussuscipiens (anterograde intussusception), but can also be aborad (retrograde intussusception
Operative Findings- retrograde intussusception of jejunal loop through the stoma with gangrenous changes.
The presence of a mobile mass in association with pain and vomiting in a patient who has had a previous gastric surgery is considered virtually pathognomic of acute retrograde intussusception.
Retrograde intussusception is the most common type reported after both RYGB and LRYGB [5-8].
Retrograde intussusception after Roux-en-Y gastric bypass for morbid obesity.
DISCUSSION: The term retrograde intussusception
(invagination) was first introduced by John Hunter to define an invagination of the intussusceptum in an antiperistaltic or a proximal direction as opposed to the usual peristaltic or distal direction.
At laparoscopy, there was a retrograde intussusception
of the proximal common limb into the jejuno-jejunostomy.
INTRODUCTON: Retrograde intussusception is a rare and lethal complication of gastrojejunostomy.
Retrograde intussusception after certain gastric operation.