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Oesophageal stricture

Oesophageal strictures refer to any persistent intrinsic narrowing of the oesophagus

Pathology

Aetiology

The most common causes are fibrosis induced by inflammatory and neoplastic processes. Because radiographic findings are not reliable in differentiating benign from malignant strictures, all should be evaluated endoscopically. 

Upper and middle oesophageal strictures most commonly result from 

Distal oesophageal strictures are caused by gastro-oesophageal reflux disease (GORD), either as a separate entity, or in the setting of:

Radiographic features

Benign strictures typically show smoothly tapering, concentric narrowing. Malignant strictures are characteristically abrupt, asymmetric, eccentric narrowings with irregular, nodular mucosa. Tapered margins may occur with malignant lesions because of the ease of submucosal spread of tumour.

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