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Fig. 1.
Esophagogastroduodenoscopic findings at the time of potassium permanganate ingestion. (A) Mucosal edema and hyperemia of oropharynx. (B) Blackish brown staining with erosion of esophagus. (C) Deep ulceration with whitish exudates on gastroesophageal junction and cardia. (D) Mucosal hyperemia, edema, and multiple erosions from cardia to the posterior wall of the high body.
Fig. 2.
Chest computed tomographic findings. (A, B) Diffuse and mild esophageal wall thickening of whole esophagus (arrows) with no evidence of perforation or mediastinitis.
Fig. 3.
Esophagogastroduodenoscopic findings 9 months after corrosive injury. (A) Improved state of corrosive esophagitis. (B) Reflux esophagitis LA grade B. (C) About 5 mm sized subepithelial tumor on posterior wall of cardia, and (D) Linear erosion with mucosal hyperemia on the greater curvature of the mid body. LA, Los Angeles.
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