A 70-year-old male was admitted to our hospital because of hematoemesis and tarry stool. Endoscopic findings showed semicircle esophageal cancer which measuring about 5cm between upper and middle thoracic esophagus, and then, he was diagnosed for the first time as achalasia. Surgery for thoracic esophageal cancer was performed. Pathological examination of resected specimen revealed squamous cell carcinoma, moderately differentiated type, of esophagus, and depth of invasion mp.
In this case, the patient had no symptom. However after operation he found having dysphagia before. Achalasia is known to high risk of esophageal cancer. We should find and follow up esophageal achalasia patients with esophageal cancer in mind.
