<unk>  (diffuse esophageal spasm or corkscrew<unk>  is a disorder of the movement of the<unk> , and is one of many motility disorders of the<unk> , including achalasia and diffuse esophageal spasm.  It causes difficulty swallowing, or dysphagia, to both solid and liquid foods, and can cause chest pain; it may also have no symptoms.<unk>  can affect people of any age, but is more common in the 6th and 7th decades of life.  The diagnosis is made by an esophageal motility study, which evaluates the pressure of the<unk>  at various points along its length.  The term<unk> " comes from the finding of increased pressures during peristalsis, with a diagnosis made when pressures exceed 180 mmHg; this has been linked to the pressure of a mechanical<unk> .  The disorder does not progress, and is not associated with any complications; as a result, treatment of<unk>  targets control of symptoms only.
Nutcracker esophagus
Barrett's esophagus
Esophageal cyst
Esophageal web
Achalasia
Esophageal candidiasis
Esophageal stricture
Eosinophilic esophagitis