Radiografía 1

radiografía 1

La placa radiográfica es una imagen de esofagograma de un paciente 
con disfagia de larga data ¿cual es el nombre de este signo clásico 
y cual es el diagnóstico?

This is a classic case of achalasia. The signs seen on a barium swallow study include:

• tapering narrowing of the lower oesophagus - 
• known as the bird beak sign (see image below)
• slow passage of barium through the lower 
• oesophageal sphincter which is abnormally tight
• food residue seen within lower oesophagus
• tertiary contractions
• there is a risk of malignancy so the mucosa
• needs to be carefully evaluated
• lung parenchyma changes secondary 
• to chronic aspiration

Achalasia may be primary (idiopathic) or secondary to 
Chagas disease. 
Pseudoachalasia is the name given to a malignant stricture.

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