Collapsing Polypoid Cysts of the Sigmoid
KeywordsPneumatosis cystoides coli Colonoscopy Pseudopolyps
D. Ramai performed the literature review and wrote the manuscript. P. Xiao provided histological interpretation and images. F. John, D. Etienne, S. Linn, and M. Reddy revised the manuscript for intellectual content. D. Ramai is the article guarantor.
Compliance with Ethical Standards
Conflict of Interest
The authors declare that they have no conflict of interest.