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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 sphincter (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. The…

Desmoid

KEY FACTS Terminology Rare, benign, locally aggressive, nonencapsulated mesenchymal neoplasms of connective or fibrous tissue 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

Traumatic Abdominal Wall Hernia

KEY FACTS Terminology Traumatic disruption of musculature and fascia of anterior abdominal wall due to blunt trauma Imaging Contrast-enhanced, multiplanar CT Common locations include iliac crest region in seat belt injuries and lower abdomen (lateral to rectus sheath or inguinal region) Pathology Most hernias develop due to combination of sudden increase in intraabdominal pressure, direct force of traumatic impact, acceleration-deceleration shear injury, and compressive force of…