pathology ch 5 esophagus 2
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| Zencker’s diverticula occur where? | posterior upper esophagus
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| Traction diverticula occur where? | thoracic esophagus
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| Epiphrenic diverticula occur where? | in the distal 10cm of the esophagus
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| Esophageal varices | diated veins in the wall of the esophagus
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| Esophageal varices are often caused by what? | increased pressure in the portal venous system, usu associated with cirrhosis
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| What condition is described radiographically as “beads of a rosary”? | esophageal varices
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| What percent of UGI exams indicate a hiatal hernia? | 50%
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| Name the two types of hiatal hernia | sliding and intrathoracic
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| How is a sliding hiatal hernia demonstrated radiographically? | by “Schantzki’s ring”, the gastroesophageal junction appearing above the diaphragm
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| How is an intrathoracic hiatal hernia demonstrated radiographically? | a large portion of the stomach is seen within the thoracic cavity
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| Achalasia | functional obstruction of the distal esophagus with proximal dilation caused by incomplete relaxation of the lower esophageal sphincter
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| Radiographic appearance of achalasia | tapered smooth narrowing of the esophagus
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| “rat tail” appearance describes what pathology? | achalasia
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