Similar lesion may represent a pulsion diverticulum, due to esophageal dysmotility
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Chest x-ray PA view: Calcified perihilar lymph nodes
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Videofluoroscopic esophagogram (barium studies)
Mid esophagus: Traction diverticulum
Tented or triangular in shape with pointed tip, wide mouth
Diverticulum tends to empty when esophagus is collapsed (because it contains all layers)
TOP DIFFERENTIAL DIAGNOSES
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Zenker diverticulum
Posterior hypopharyngeal diverticulum
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Pulsion diverticulum
Mid and distal esophageal pulsion diverticula tend to remain filled after most of barium is emptied (lack of muscle)
Associated with motility disorders
Related
Diagnostic Imaging_ Gastrointes - Michael P Federle
