Esophagogastric hematoma is a rare condition occurring spontaneously or after esophageal instrumentation. In this report, we describe a patient with acute dysphagia in whom a lower esophageal mass was detected radiographically. Upper endoscopy revealed an esophageal mass that extended from the mid-esophagus to the gastroesophageal junction and was associated with a malignant-appearing ulcerated mass (5 to 6 cm) in the cardia. Gastric cancer with esophageal extension was the presumptive diagnosis. Computed tomography showed that the esophageal mass had a density similar to blood, a finding suggesting the presence of an esophageal hematoma. Biopsy specimens of the ulcer revealed acute inflammation but no malignant involvement. The patient was treated conservatively, and the initial symptoms resolved. Esophagogastric hematomas can mimic a neoplasm; thus, establishing the correct diagnosis is important because this condition has a favorable prognosis, and only conservative treatment is needed.
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