Additional file 1: of Submucosal hematoma: a new distinctive sign during emergency upper digestive endoscopy for ammonia ingestion

All data generated or analyzed during this study are included in the supplementary information files. The collected data were: epidemiological data (age, gender), type of caustic agent (ammonia, volume of the ingested agent, mode of ammonia ingestion), clinical evaluation upon admission (clinical signs of severity, associated oropharyngeal lesions), endoscopic esophago-gastric lesions at first endoscopy (endoscopic lesions according to Zargar classification, presence of submucosal hematoma and its localization), endoscopic follow-up (date, duration and result), therapeutic management (medical, surgical, endoscopic dilation, results of computed tomography). (XLS 70 kb)