Endoscopic submucosal dissection of an unexpected symptomatic esophageal mass: intramural esophageal hematoma.

A 53-year-old man with a history of hypertension was hospitalized with retrosternal pain during eating for 1-month duration. He had no previous history of symptoms related to his upper gastrointestinal tract. Physical examination was unremarkable. The patient was diagnosed as intramural esophageal hematoma (IEE) and no symptoms was observed in 12 months follow-up.