Ultra-early occlusion of the normal bile duct after uncovered self-expandable metallic stent placement in unresectable perihilar bile duct cancer

Abstract

Uncovered self-expandable metallic stents (USEMS) are superior to plastic stents in patients with unresectable malignant perihilar biliary obstruction (UMHBO) ¹. The causes of SEMS occlusion include: tumor ingrowth/mucosal hyperplasia, tumor overgrowth, sludge with/without stone, hemobilia, food impaction, bile duct kinking, ulceration, perforation, and fibrin clots ^2-3. We present a rare case of ultra-early occlusion of the normal bile duct after USEMS placement for UMHBO.

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