Esophagus

What are the features?

Blind termination of esophagus
Esophageal atresia

What is the diagnosis?

Esophageal B ring above diaphragm

What is this finding on swallow study?

Esophageal web (shelf like protrusion)

What are the radiographic features of achalasia?

Failure to relax in swallow function. Lower esophageal sphincter staying closed
Esophageal dilation
Bird beak sign
Uncoordinated contractions
LES out of synch with contractions

What is this radiographic finding from swallow study??

Bird beak sign

What signs indicate diffuse oesophageal spasm (DOS)?

Corkscrew esophagus or rosary bead esophagus
Pushing contrast two directions (non-peristaltic)

What does this swallow study indicate?

Corkscrew sign

Diffuse oesophageal spasm (DOS)

What is diverticula?

Outpouching of visceral layers

What does this swallow study indicate?

Diverticula

What is a likely causes of pulsion diverticula (epiphrenic)?

Increased pressure in the lumen, related to dysmotility (achalasia etc)

What are the radiographic features of oesophageal varices?

Filling defect of the oesophagus or multiple lesions

What are the two types of hernia?

Sliding or para-oesophageal

What condition is shown

Sliding hernia

How may a hiatus hernia on CXR?

Air fluid level in chest cavity or large gas bubble

What are the indications from this swallow study?

Irregular or thickened mucosal folds
Irregular stricture
Erosions
Reflux esophagitis

What is the appearance of candida esophagitis?

Shaggy appearing esophagus
Irregular and nodular mucosa and folds
Ulcer and raised plaques

How does Crohns appear on a swallow study?

Many small ulcers and erosion

What is this condition?

Cytomegalovirus esophagitis

What condition is seen here?

Barret’s esophagus
Mild stricture
Reticular pattern
Interrupted mucosal lining

What are the radiographic features of this image?

Long stricture or narrowing of the esophagus indicating corrosive esophagitis
Middle or lower esophagus

Contrast leaking into mediastinum or pleural cavity from esophagus indicates what?
What is the cause?

Boerhaaves syndromes
Rupture from forceful vomiting

What are the radiographic features?

Filling defect or lesion in esophageal wall
Smooth margin

Oesophageal leiomyoma (benign)

Describe

Filling defect of the esophagus with irregular polypoid lesion

Polypoid carcinoma (malignant)

What is shown in this swallow study? What does it imitate?

Stricture/narrowing of the distal esophagus
Shoulder appearance (different to achalasia)

Adenocarcinoma around esophagus

A gap >5mm between trachea and esophageal wall is commonly indicative of what?

Esophageal carcinoma or achalasia

What does this indicate?

Metastatic lesions