Imaging in Gastroenterology

Pulsion Diverticulum

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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…

Achalasia

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Cricopharyngeal Achalasia

KEY FACTS Terminology Failure of cricopharyngeal muscle (upper esophageal sphincter) relaxation due to hypertrophy or spasm 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…

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…

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…