Esophageal Pseudodiverticulosis

Esophageal Pseudodiverticulosis

What is the abnormality?
what is the cause?
Is there a risk of malignancy?

Answers:
Esophageal Pseudodiverticulosis:


Not true diverticuli-dilated excretory ducts of deep mucous glands.

• Idiopathic. 90% associated with diabeties, alcoholism, esophagitis, esophageal stricture.
• Increased risk of Candida and malignancy.
• 2/3 associated with stricture.

Distinguish from True Esophageal Diverticuli

Pulsion

Zenker – posterior, above cricopharyngeus
Killian-Jamison – proximal/lateral, just below cricopharyngeus

Epiphrenic – lateral, distal
Traction – anterior/lateral, from mediastinal fibrosis

Zenker,s diverticulum

Traction diverticula (arrows) on the ventral border of the esophagus in close proximity to some calcified mediastinal lymph nodes (arrowheads)