Department of Paediatric Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
A child with cystic duplication of the rectum containing ectopic duodenal mucosa and aberrant pancreatic tissue presenting as a chronic perianal fistula is reported. The duplication was removed by subtotal excision of the cyst along with mucosal sleeve resection from the common septum with the rectal wall.