Nussknackerösophagus
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Hypercontracting (nutcracker) esophagus is a motility disorder of the esophagus. This condition is primarily diagnosed with manometry with high intra-esophageal pressure and normal peristalsis. Most patients will have a normal barium swallow.
Hypercontracting esophagus ("nutcracker esophagus") differs from diffuse esophageal spasm (corkscrew esophagus) but doesn't exclude each other.
Epidemiology
Hypercontracting esophagus occurs in 10% of patients with non-cardiac chest pain.
Associations
Clinical presentation
Presentation includes chest pain, dysphagia, and gastro-esophageal reflux disease.
Pathology
Etiology
Etiology is unknown but may be related to gastro-esophageal reflux or stress .
Radiographic features
Fluoroscopy
A barium swallow is usually normal. A minority of patients may demonstrate features of non-specific esophageal motility disorder .
Differential diagnosis
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