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Zenker Diverticulum

KEY FACTS Terminology Pharyngoesophageal diverticulum or posterior hypopharyngeal diverticulum/outpouching Mucosal herniation through area of anatomic weakness of cricopharyngeal muscle (Killian triangle) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Schatzki Ring

KEY FACTS Terminology Annular, inflammatory, symptomatic narrowing of normal lower esophageal mucosal or B ring You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Esophageal Webs

KEY FACTS Terminology Thin mucosal fold narrowing esophageal lumen Lacks muscle layer (unlike distal esophageal B or Schatzki ring) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Esophagus: Imaging Approach and Differential Diagnosis

Esophageal Anatomy and Terminology The esophagus is a fibromuscular tube ~ 25 cm long extending from the pharynx to the stomach. It begins at the upper esophageal sphincter, which is formed primarily by the cricopharyngeus muscle. The lower esophageal sphincte r (LES) is also known as the phrenic ampulla or the esophageal vestibule and is further defined as the zone of higher resting tone or pressure.…