Barium Retrograde

This patient underwent contrast administration per rectum. The large bowel is outlined above. [Courtesy of Dr. N. Jaffer]

Barium Enema

In this patient, one may note contrast enhancement throughout the GI tract, achieved with both anterograde (swallowed) and retrograde (per rectum) administration. [Courtesy of Dr. N. Jaffer]

Gastric Varices

The gastric “string of pearls” sign is caused by a string of varices around gastric fundus. Etiology: Splenic/Portal venous thrombosis due to pancreatitis. [Courtesy of Dr. N. Jaffer]

Esophageal Stenosis

Esophageal stenosis exemplified with contrast. [Courtesy of Dr. N. Jaffer]

Achalasia – open

Achalasia – Open bird-beak sign Open “bird-beak” sign suggestive of adenocarcinoma of the gastric fundus. This disease entity presents as ‘achalasia’, however, in true achalasia the radiologic sign is different. [Courtesy of N....