The authors present two case reports of cystic rectal duplication whic
h presented as rectal prolapse. Two girls, caucasian race, 8 months an
d 12 years old, went to the emergency department because of a rectal p
rolapse. After the diagnosis surgical excision was performed by transa
nal approach. The post-operative period was short and uneventful. Hist
ological examination confirmed a rectal cystic duplication.