case_images: PMC4702044_01
case_images: Middle third of Esophagus
case_images: GHFBB-9-64-g001.jpg
case_images: PMC4702044_01_GHFBB-9-64-g001.jpg
case_images: F1
case_images: This revealed an erythematous oral cavity with some aphthous ulcers, and grade 2B of caustic burn in esophagus (Figure 1).
case_images: Antrum
case_images: GHFBB-9-64-g002.jpg
case_images: PMC4702044_01_GHFBB-9-64-g002.jpg
case_images: F2
case_images: The stomach revealed grade 2 diffuse caustic mucosal injury of the antrum and pylorus characterized by superficial erosions with exudates and edema (Figure 2).
case_images: Pyloric stenosis after one month
case_images: GHFBB-9-64-g003.jpg
case_images: PMC4702044_01_GHFBB-9-64-g003.jpg
case_images: F3
case_images: Upper gastrointestinal endoscopy was performed again and revealed a normal oral cavity and esophagus, but deformed antrum with severe stricture in pylorus where a 6mm scope could not pass through it (Figure 3).
case_images: Pyloric stenosis after 2 months
case_images: GHFBB-9-64-g004.jpg
case_images: PMC4702044_01_GHFBB-9-64-g004.jpg
case_images: F4
case_images: After 4 courses of balloon dilatation with a 6-15 mm balloon with 3-4 weeks interval, the pyloric canal became normal and the scope passed easily into the duodenum (Figure 4).
case_images: Normal pyloric canal and duodenum after one year
case_images: GHFBB-9-64-g005.jpg
case_images: PMC4702044_01_GHFBB-9-64-g005.jpg
case_images: F5
case_images: The normal pyloric canal was seen after management (Figure 5).