10 Questions
Which type of imperforate anus is characterized by the absence of an opening in the perineum, with the skin at the anal area heaped up and possibly extending as a band covering the anal opening?
Low anomalies with narrow stenosis of anal canal
What is the most severe form of high imperforate anus deformity?
Common channel between urogenital sinus and rectum
What anatomical feature is often associated with patients with high imperforate anus?
Sacral vertebral anomalies
How is the type of anorectal anomaly best established?
By physical examination
In low anomalies, where may a small fistula extend from the anus?
Anteriorly to open in the perineum, scrotum, or penis
What method is commonly used to establish the lower extent of the rectum?
Lateral film of the pelvis with the baby inverted
What can be detected in the perineal raphe in males with low anomalies?
Ectopic opening from the rectum
What may help differentiate between high and low lesions of imperforate anus?
Absence of external sphincter contraction with cutaneous stimulation of the anus
What is the treatment approach commonly used for high anomalies of imperforate anus?
Three-stage repair consisting of colostomy and mucous fistula formation, a posterior anorectoplasty, and closure of the colostomy several months after that
What syndrome is associated with imperforate anus?
VACTERL syndrome
Learn about the classification A of imperforate anus, where the anus may be ectopically placed anterior to its normal position, or it may have a narrow stenosis of the anal canal or an anal membrane. This condition may involve no opening in the perineum, with the skin at the anal area heaped up and extending as a band covering the anal opening.
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