https://www.cureus.com/articles/137727-black-esophagus-or-gurvits-syndrome-a-rare-cause-of-upper-gastrointestinal-bleeding-in-diabetic-ketoacidosis
Black esophagus, also called Gurvits syndrome or acute esophageal necrosis (AEN), is a rare, life-threatening condition characterized by necrosis of the esophageal mucosa. We present a 36-year-old man who presented with hematemesis and was admitted for diabet…
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