Fig. 1A.55-year-old man with herpes esophagitis. CT scan below level
of carina shows marked circumferential thickening (arrow) of wall in
mid esophagus. Actual wall thickness was 9 mm.
Fig. 1B.55-year-old man with herpes esophagitis. Double-contrast
esophagram shows multiple small ulcers en face (black
arrows) and in profile (white arrows) in mid esophagus.
Fig. 2.38-year-old man with combined radiation and reflux
esophagitis. CT scan at level of aortic arch shows marked circumferential
thickening (arrow) of esophageal wall. Actual wall thickness was 8
mm.
Fig. 3.54-year-old man with radiation esophagitis. CT scan at level
of carina shows circumferential thickening (black arrow) of
esophageal wall. Actual wall thickness was 6 mm at this level. Note mucosal
enhancement (white arrow) with hypoattenuation of wall, producing
target sign.
Fig. 4.41-year-old man with no known esophageal disease (from
control group). CT scan at level of carina shows mild thickening
(arrow) of wall in mid esophagus. Actual wall thickness was 5.5
mm.