Black esophagus syndrome associated with diabetic ketoacidosis

Acute esophageal necrosis,also known as "black esophagus syndrome",is a rare acute esophageal disease that is often associated with vomiting and upper gastrointestinal haemorrhage.At present,little is known regarding the pathogenesis of this disease.We present the case of a 50-year-old white male patient with diabetic ketoacidosis suffering from acute esophageal necrosis with nausea and vomiting but without any clinical signs of upper gastrointestinal bleeding.