Black esophagus secondary to upper gastrointestinal bleeding. A case report

Background: Black esophagus is a rare pathology characterized endoscopically by a black esophageal mucosa. Predisposing and triggering factors are involved in the proposed pathophysiology of this disease. The most frequent etiology is gastrointestinal tract bleeding. Clinically, patients present with data such as hematemesis, melena, etc. Diagnosis is made by direct visualization by endoscopy. Treatment depends on the underlying cause. This case report describes a male patient with clinical symptoms of upper gastrointestinal bleeding due to duodenal ulcer who developed black esophagus, which deserved in-hospital treatment and evolved favorably after medical treatment. Keywords: Acute esophageal necrosis, black esophagus, gastrointestinal bleeding, hypovolemic shock, duodenal ulcer.