Case Report
Self-Expandable Metal Stenting of Refractory Upper Gut Corrosive Strictures: A New Role for Endoscopy?
Table 1
Zargar endoscopic classification for caustic mucosal injury (adapted from [
7]).
| Grade | Definition |
| 0 | normal findings at endoscopy | 1 | edema and hyperemia of mucosa | 2A | friability, hemorrages, erosions, blisters, whitish membranes, exudates and superficial ulcerations | 2B | grade 2A plus deep discrete or circumferential ulcerations | 3A | small scattered multiple ulcerations and areas of necrosis (brown-black or greyish discoloration) | 3B | extensive necrosis |
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