PMC3708635_01
Case 1 - Anterior-posterior view of Barium esophagogram showing bird's beak appearance.
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Barium swallow examination showed dilatation of the esophagus with hold-up of the contrast material and smooth narrowing of the distal esophagus with the typical bird's beak appearance (Figures 1 and 2).
Case 1 - Lateral view of Barium esophagogram.
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Barium swallow examination showed dilatation of the esophagus with hold-up of the contrast material and smooth narrowing of the distal esophagus with the typical bird's beak appearance (Figures 1 and 2).
PMC3708635_02
Case 2- Anterior-posterior view of the Barium esophagogram showing typical bird's beak appearance
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It showed features suggestive of achalasia cardia (Figure 3).