Academy of Medical Sciences of I.R. Iran Archives of Iranian Medicine 1029-2977 18 6 2015 06 01 Acute Esophageal Necrosis: A Case of Black Esophagus with DKA 0 0 EN Mousa Talebi-Bakhshayesh Fatemeh Samiee-rad Hossein Zohrenia Ali Zargar Journal Article Acute esophageal necrosis is a rare cause of upper gastrointestinal bleeding, usually caused by hypo perfusion. In this report, we present a 34-year-old male patient suffering from acute esophageal necrosis presenting as hematemesis in a patient with Diabetic ketoacidosis. Diabetic ketoacidosis is rarely reported as a cause of acute esophageal necrosis and it is vital to diagnose it in a patient with Diabetic Ketoacidosis as a potential cause of mortality.