Changes Induced by Colonic Stents Mimic Crohn Disease

Malignancies involving the colorectum can obstruct the lumen. A self-expanding stent placed under endoscopic guidance in the obstructed area alleviates obstruction and postpones or avoids emergency surgery. If clinically indicated, the affected, stented segment is resected. The stent (Wallflex, Boston Scientific, Boston, MA) consists of wires arranged in …