Papilloma Formation in Esophagus after Covered Metal Stent Placement: Two Case Reports.

Aims: To highlight an uncommon situation during stenting for obesity surgery complications. Place and Duration of Study: 1st Propaideutic Surgical Unit, Hippokration Hospital, Athens between December 2008 and November 2010. Results: 2 cases of obese patients are presented where the placing of metal stents in esophagogastric region after leakage in the postoperative period of sleeve gastrectomy, resulted in formation of papilloma at the edge of these stents. Conclusion: May be these cases are two of the very few reports in the medical literature which describe mucosal hyperplasia in the esophagus at the edge of a covered metal stent placed for a benign condition.