In inviting your attention to this subject and to a modification of existing methods for its correction, I earnestly desire to be understood as advocating the proposed surgical interference only in the true, extensive, reducible, non-ulcerative cases, that resist the usual non-operative treatment. In order to have a proper working basis, it is necessary to specify what form of rectal prolapse is under consideration, since included under this caption one finds every gradation from simple protrusion of mucous membrane through the anus, to a genuine acute external intussusception.
Lenormant suggests four groupings:
1. Ectropion of mucosa through anal ring.
2. Invagination of lower rectum through anal ring.
3. Invagination of upper rectum through lower rectum and anal ring.
4. True intussusception of intestine and mesentery through anal ring.
Of these groupings the first and fourth are not hero to be considered. The first, because a simple mucous membrane protrusion is
McARTHUR LL. RECTAL PROLAPSE. JAMA. 1911;LVII(5):363–365. doi:10.1001/jama.1911.04260070367004
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