Describe the three types of muscle contractions seen in the esophagus. Describe two ways of assessing the esophagus radiographically and the best applications for each modality. Does scleroderma affect the entire esophagus equally? How are bleeding varices treated? How does achalasia appear on barium swallow? How is achalasia treated? How many layers does the esophageal wall have? Identify the components of the esophagogastric junction: List five causes of esophageal dilation. List four causes of uphill varices. List four radiographic features of GERD. List three causes of downhill varices. Name 10 entities in the differential diagnosis of an esophageal filling defect. Name four causes of esophageal ulceration. Name three causes of esophageal narrowing. Trace the paths of flow that cause downhill varices. Trace the paths of flow that cause uphill varices. What advantage does endoscopy have? What are esophageal varices? What are the characteristic findings of scleroderma in the small bowel? What disadvantages does endoscopy have? What is Barrett's esophagus? What is Zenker's diverticulum? What is a potential complication of achalasia? What is achalasia? What is scleroderma? What is the most common cause of Zenker's diverticulum? What is the radiographic appearance of the esophagus in scleroderma? What is the special concern associated with Barrett's esophagus? What is the weak point just above the cricopharyngeus muscle called? What type of esophageal carcinoma is most common? What unique feature of the esophageal wall predisposes to mediastinal spread of tumor? Which structures make impressions on the esophagus as the esophagus passes through the upper one-third of the thorax? Why is the number of layers in the esophageal wall significant? Book traversal links for Esophagus ‹ Define volvulus Up Describe the three types of muscle contractions seen in the esophagus. ›