Doctor insights on:
Causes Of Imperforate Anus
Poor signals: The imperforate anus can occur in isolation or as part of a syndrome. During fetal development the gut starts as a sausage like mass that forms a central cavity, lengthens & moves down from the inside to join up with the external skin at the anus. The defect can be as minimal as a thin membrane in normal position or gut ending far from the anus. Poor signal decoding triggers this defect. ...Read moreSee 2 more doctor answers
An imperforate anus or anorectal malformations are birth defects in which the rectum is malformed. Anorectal malformations are a spectrum of different congenital anomalies in males and females, that varies from fairly minor lesions to complex anomalies. Even cause is unknown, a genetic basis is associated in ...Read more
Not likely: No known genetic causes, although there are families with more than one child affected. ...Read more
Terminology issues: The lower colon forms from tissue that develops an inner tube.It grows on the inside down to where the anal opening should be. As the internal tissue meets the outside skin from the inside, the skin barrier between the structures dissolves and the anus "perforates". If the internal structure does not come close to the skin, or the outer skin stays separate, the hole cannot form. (imperforate) ...Read more
Lack of anal opening: An imperforate anus is a congenital anomaly in which a baby is born without an anal opening altogether, one that is too small, or one that is located in the wrong place (for example, opening into the vagina in a girl or into the bladder in a boy). It is definitively repaired with surgery to create a good anal opening in the right place. Sometimes, a colostomy is done first. ...Read moreSee 1 more doctor answer
Charity: I'm not sure if you are looking for one to donate to or if you are looking for help for someone you know with the condition. I am not aware of a specific organization that just deals with imperforate anus. However, if you contact the Pediatric Surgery department of your local Children's Hospital, they likely have charitable foundations set up that deal with kids with this defect. ...Read more
Imperforate anus: An imperforate anus or anorectal malformations are birth defects in which the rectum is malformed. Anorectal malformations are a spectrum of different congenital anomalies in males and females, that varies from fairly minor lesions to complex anomalies. Even cause is unknown, a genetic basis is associated in about 10% of patients. ...Read more
A colostomy remains: There are various degrees of imperforate anus. If a septum alone is present it can be perforated and bowel will function. Various forms of proctoplasty have been employed to leave a functional anus but if colostomy was required at birth, there is no way to repair the problem since pulling bowel thru area with no sphincter, leaves incontinence. People function with colostomies and irrigate stoma ...Read more
Yes: During fetal development the internal structure of the large intestine grows toward the point where the anus should be & the external skin meets it.If the two both attach & make the opening a normal anus is formed. If the inside doesn't make it all the way down, or the opening doesn't form it is imperforate. There are variations in degree and the amount of work needed to fix it. ...Read moreSee 1 more doctor answer
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