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JOURNAL ARTICLE
REVIEW
Imaging of the oesophagus: beyond cancer.
Insights Into Imaging 2017 June
Non-malignant oesophageal diseases are critical to recognize, but can be easily overlooked or misdiagnosed radiologically. In this paper, we cover the salient clinical features and imaging findings of non-malignant pathology of the oesophagus. We organize the many non-malignant diseases of the oesophagus into two major categories: luminal disorders and wall disorders. Luminal disorders include dilatation/narrowing (e.g. achalasia, scleroderma, and stricture) and foreign body impaction. Wall disorders include wall thickening (e.g. oesophagitis, benign neoplasms, oesophageal varices, and intramural hematoma), wall thinning/outpouching (e.g. epiphrenic diverticulum, Zenker diverticulum, and Killian-Jamieson diverticulum), wall rupture (e.g. iatrogenic perforation, Boerhaave Syndrome, and Mallory-Weiss Syndrome), and fistula formation (e.g. pericardioesophageal fistula, tracheoesophageal fistula, and aortoesophageal fistula). It is the role of the radiologist to recognize the classic imaging patterns of these non-malignant oesophageal diseases to facilitate the delivery of appropriate and prompt medical treatment.
TEACHING POINTS: • Nonmalignant oesophageal disease can be categorised by the imaging appearance of wall and lumen. • Scleroderma and achalasia both cause lumen dilatation via different pathophysiologic pathways. • Oesophageal wall thickening can be inflammatory, neoplastic, traumatic, or vascular in aetiology.
TEACHING POINTS: • Nonmalignant oesophageal disease can be categorised by the imaging appearance of wall and lumen. • Scleroderma and achalasia both cause lumen dilatation via different pathophysiologic pathways. • Oesophageal wall thickening can be inflammatory, neoplastic, traumatic, or vascular in aetiology.
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