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.…

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

Bochdalek Hernia

KEY FACTS Terminology Type of congenital diaphragmatic hernia resulting in protrusion of abdominal contents through defect in posterolateral portion of diaphragm 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

Lumbar Hernia

KEY FACTS Terminology Lumbar hernia: Protrusion of abdominal contents through defect in lumbar region Can occur in either superior lumbar triangle of Grynfeltt-Lesshaft or inferior lumbar triangle of Petit – Superior lumbar triangle of Grynfeltt-Lesshaft defined by 12th rib superiorly, superior border of internal oblique inferiorly, and erector spinae medially – Inferior lumbar triangle of Petit defined by latissimus dorsi muscle medially, iliac crest inferiorly, and free…

Spigelian Hernia

KEY FACTS Terminology Hernia through defect in aponeurosis of internal oblique and transverse abdominal muscles 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

Umbilical Hernia

KEY FACTS Terminology Protrusion of abdominal contents (omental fat ± bowel) into or through anterior abdominal wall via umbilical 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