Schatzki Ring
Ring < 13 mm in diameter: Symptomatic Ring 13-20 mm: Occasionally symptomatic Ring > 20 mm in diameter: Asymptomatic • Single-contrast barium esophagram Thin (2-4 mm in height), web-like constriction at…
Boerhaave Syndrome
Usually from left side of distal thoracic esophagus • Chest film Left side pleural effusion or hydropneumothorax Radiolucent streaks of gas along aorta or in neck • Esophagography with nonionic, water-soluble contrast…
Imaging Approach to the Duodenum
(Left) The duodenum is retroperitoneal, except for the bulb (1st portion) . The 3rd portion of duodenum crosses in front of the aorta and behind the superior mesenteric vessels ….
Congenital Absence of Hepatic Segments
Right lobe: Segments 5 and 8 (anterior segments) Left lobe: Segment 4 TOP DIFFERENTIAL DIAGNOSES • Acquired atrophy with cirrhosis Atrophy of anterior and medial segments commonly follows development of focal…
Aortoenteric Fistula
(Left) Graphic shows a fistula between the transverse duodenum and aorta at the site of the graft-aortic suture line . (Right) Axial CECT in a 70-year-old man presenting with fever…
Barrett Esophagus
Due to more severe reflux disease Hiatal hernia in almost all patients Mid esophageal mucosal irregularity, stricture, deep ulceration Risk of cancer > short-segment type • Short segment: Columnar epithelium ≤…
Imaging Approach to Abdominal Manifestations of Systemic Conditions
(Left) Coronal volume-rendered CTA shows the entire common hepatic artery arising from the superior mesenteric artery. The left gastric artery also has a separate origin from the aorta, though difficult…
Obturator Hernia
Hernia most commonly contains loop of Ileum, although can rarely involve other pelvic viscera (i.e., bladder) Most often trapped between obturator externus and pectineus muscles May also be located between…
Candida Esophagitis
Mucosal plaques in immunocompromised patients Predominantly mid or upper esophagus Plaques: Several mm in size, usually < 1 cm Longitudinally oriented plaques 90% sensitivity in detecting Candida esophagitis PATHOLOGY • Most…
Gastric Diverticulum
Near gastroesophageal (GE) junction, on posterior aspect of lesser curvature of stomach • Usually 1-3 cm, up to 10 cm in diameter • On upper GI series Barium-filled diverticulum with air-fluid level…
