Retrograde Colonic Intussusception

Credit for the original recognition of retrograde intussusception of the alimentary tract probably belongs to John Hunter,¹ who postulated that this could occur. At the time of presentation of his paper "On Introsusception" before the Society for the Improvement of Medical Knowledge, he had neither seen nor heard of such a condition. Akehurst² made a review of the world's literature of this condition up to 1955, and found 104 instances of retrograde intussusception of all types. Twelve were of the colocolic type. Subsequently two additional cases have been recorded in the literature.^3,4 The present report provides the 15th recorded instance of simple retrograde colocolic intussusception.

Occasionally the small bowel is invaginated into the stomach at the site of a gastroenterostomy opening. Also, a retrograde intussusception is often associated with a typical forward intussusception, thus forming the so-called compound intussusception. However, simple retrograde intussusception of the small bowel