Overlapping self-expandable metallic stent for palliation of a long (> 10cm) malignant gastroduodenal obstruction

摘要

Background: Self-expandable metallic stent (SEMS) placement is a well-established palliative treatment approach for malignant gastroduodenal obstruction. In patients with a long (>10cm) stricture, multiple stents placed in an overlapping fashion are often required.