Mega-esophagus

Megaesophagus or diffuse esophageal dilatation can be caused by a variety of conditions.

Pathology

Etiology

Some of the more common causes are given below :

• esophageal dysmotility
  • achalasia
  • Chagas disease
  • scleroderma
• distal obstruction
  • malignant stricture, e.g. esophageal cancer, cancer of the gastric cardia
  • benign stricture, e.g. peptic stricture
  • extrinsic compression, e.g. lymphadenopathy, gastric band

Differential diagnosis

• Ivor Lewis procedure

Siehe auch:

• megaoesophagus post gastric banding