Megaesophagus

Changed by Vikas Shah, 8 Oct 2020

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Megaoesophagus or diffuse oesophageal dilatation can be caused by a variety of conditions.

Pathology

Aetiology

Some of the more common causes are given below ^1-3:

oesophageal dysmotility
distal obstruction
- malignant stricture, e.g. oesophageal cancer, cancer of the gastric cardia
- benign stricture, e.g. peptic stricture
- extrinsic compression, e.g. lymphadenopathy, gastric band

Differential diagnosis

Ivor Lewis procedure

~~-<li>extrinsic compression, e.g. lymphadenopathy, <a title="Gastric band" href="/articles/gastric-band">gastric band</a>~~
+<li>extrinsic compression, e.g. lymphadenopathy, <a href="/articles/gastric-band">gastric band</a>

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