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Anal canal duplication in infants
1Department of Pediatric Surgery, Keimyung University, Dongsan Medical Center, Daegu, South Korea.
Journal of Pediatric Surgery
|April 30, 2003
Summary
Anal canal duplication (ACD) is a rare congenital lesion typically found in girls. Surgical excision is recommended to prevent complications like infection.
Area of Science:
- Pediatric Surgery
- Congenital Anomalies
- Gastrointestinal Development
Background:
- Anal canal duplication (ACD) is a rare, distal digestive tract anomaly.
- Literature review identified 15 pediatric cases previously.
- This study reviews 6 pediatric cases from 1999-2001.
Observation:
- All 6 patients were female infants diagnosed between 3-9 months.
- ACD presented as a midline postanal opening.
- Contrast studies revealed tubular structures (10-12 mm) without luminal communication.
Findings:
- Histology showed squamous or pseudostratified columnar epithelium with smooth muscle.
- Surgical excision via posterior sagittal approach was successful in 5 patients.
- Postoperative recovery was uneventful with satisfactory anal function.
Implications:
- ACD is a congenital lesion predominantly in girls, presenting in infancy.
- Surgical removal is advised for all ACDs to prevent infection and fistula formation.
- Early diagnosis and surgical intervention ensure optimal outcomes.