Dr. Michael Levin
Research

I analyze the article by Takada et al., which reflects all the recent trends in the diagnosis of ARMs in neonates..... In all types of imperforate anus, a normally functioning anal canal is present. Therefore, all types except anal stenosis should be referred to as anal ectopy, with indication the location of the ectopic anus. For example, anal ectopy into the urethra.

The conventional concept of rectal atresia and rectal stenosis (RA/RS) assumes that the obstruction is in the rectum proximal to the dentate line, with preservation of a normal anal canal. Purpose.  Learn the anatomy and physiology ...