Read about ano-rectal atresia medical facts: what is the definition of ano-rectal atresia, medical treatment & how to treat ano-rectal atresia, diagnosis, and related ano-rectal atresia diseases.

Definition: What is "Ano-rectal atresia"?


Ano-rectal atresia is a birth defect characterized by a malformed rectum due to an unknown cause. This condition is commonly present along with other types of birth defects such as heart & spinal problems, renal & limb anomalies, tracheoesophageal fistula & esophageal atresia. Ano-rectal atresia is sometimes a complication of sacrococcygeal teratoma. There are several forms of Ano-rectal atresia. Sometimes the colon remains close to the skin (low lesion), which can be caused by narrowing of the anus or missing anus with the rectum ending in a pouch. Other types are characterized with a high lesion, wherein the colon is located high in the pelvis, while the fistula connects the rectum with the vagina, urethra or bladder. Some patients suffer from a joined vagina & colon into a single channel, a disorder called persistent cloaca. To confirm the type of Ano-rectal atresia, sonography is recommended. Ano-rectal atresia occurs in 1 in 5,000 newborns. It affects both boys & girls. However, Ano-rectal atresia will be present as the low version 90% in females & 50% in males.

Treatment: How to Treat "Ano-rectal atresia"?

Ano-rectal atresia usually require surgery for the feces to have an open passage. Depending on the severity of the disease, Ano-rectal atresia is treated with colostomy or a perineal anoplasty.


An infant born with Ano-rectal atresia is usually detected quickly. However, the type of Ano-rectal atresia will be determined & evaluated if the condition is associated with other malformations. This is important to treat the condition & associated defects early, which could avoid further symptoms.

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