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Frontal :: BAS - Barium Swallow ::  Use [Esc] to Show/Hide Caption ... [ SPACEBAR ] for Next Image TITLE: Achalasia DESCRIPTION: MedPix™ Image: 46603 | |  |
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| Achalasia - |
| Frontal : BAS - Barium Swallow Dilation and tortuosity of the esophagus with retained food debris. The esophagus tapers smoothly distally prior to the GE junction. The LES fails to open during the exam. Occasional small jets of contrast were seen passing into the stomach. ACR Code: 7 . 6 |
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History:
62 y.o. man with dysphagia and regurgitation of solids. History of reflux.
62 y.o. man with dysphagia and regurgitation of solids. History of reflux.
Exam:
Underweight
Underweight
Image Findings:
Tortuous and markedly dilated esophagus, which smoothly tapers to a beak at the GE junction. There is abnormal accumulation of contrast within the distal esophagus. Residual food debris and secretions are present in the dilated esophagus.
Tortuous and markedly dilated esophagus, which smoothly tapers to a beak at the GE junction. There is abnormal accumulation of contrast within the distal esophagus. Residual food debris and secretions are present in the dilated esophagus.
Differential Diagnosis:
• Achalasia
• Scleroderma
• Gastric/esophageal Carcinoma
• Peptic stricture with esophagitis
• Chagas disease
• Postvagotomy effect
• Achalasia
• Scleroderma
• Gastric/esophageal Carcinoma
• Peptic stricture with esophagitis
• Chagas disease
• Postvagotomy effect
Actual Diagnosis:
Achalasia
Achalasia
How Was Dx Confirmed:
Manometry
Manometry
Treatment and Outcome:
This patient is scheduled for an upper endoscopy with possible pneumatic dilation, which will also provide a better evaluation of the gastric cardia.
This patient is scheduled for an upper endoscopy with possible pneumatic dilation, which will also provide a better evaluation of the gastric cardia.
Patient Discussion:
Carcinoma of the esophagogastric region must be excluded. Most demonstrate some irregularity or mass effect although carcinoma at the gastric cardia may be smooth in appearance on upper GI. Symptoms are usually < 6 months.
Scleroderma is characterized by a dilated esophagus with patulous GE region; however, if complicated by peptic stricture may have this appearance.
Peptic strictures are commonly found with hiatal hernias, a rare occurrence with achalasia. Peptic strictures are also rarely associated with aperistalsis.
Esophageal findings in Chagas disease would be similar to achalasia. Evaluation of other characteristic features of Chagas disease and travel history to endemic regions would aid in differentiation.
Carcinoma of the esophagogastric region must be excluded. Most demonstrate some irregularity or mass effect although carcinoma at the gastric cardia may be smooth in appearance on upper GI. Symptoms are usually < 6 months.
Scleroderma is characterized by a dilated esophagus with patulous GE region; however, if complicated by peptic stricture may have this appearance.
Peptic strictures are commonly found with hiatal hernias, a rare occurrence with achalasia. Peptic strictures are also rarely associated with aperistalsis.
Esophageal findings in Chagas disease would be similar to achalasia. Evaluation of other characteristic features of Chagas disease and travel history to endemic regions would aid in differentiation.
• Condition: Achalasia
• Clinical symptoms: coughing, dysphagia, foul breath, regurgitation, weight loss, aspiration, recurrent pneumonia or lung abscess. Variant form, denoted by vigorous achalasia, has high amplitude, simultaneous and repetitive contractions. These patients symptoms may differ with chest pain and less dilation.
• Associations: risk for carcinoma varies up to 9 x increase relative to general population
• Demographics: Primary achalasia range 30 to 50 whereas secondary achalasia is more often in older patients. There is an equal sex distribution.
• Gross Morphology: Massively dilated esophagus with smooth tapered distal segment at GE junction.
• Histology: Decreased number of ganglion cells in myenteric ganglia (Auerbach's Plexus) of the esophagus.
• Radiology:
Chest radiograph: mediastinal widening, anterior tracheal bowing, air-fluid level in mediastinum, decreased or absent gastric bubble.
• Barium swallow: markedly dilated tortuous esophagus, absent primary peristalsis, and (bird beak deformity) tapered narrowing of distal esophagus at GE junction.
• CT: Dilation of esophagus with diameter more than 4 cm, decreased or increased thickness, abrupt smooth narrowing at distal segment at GE junction, air fluid level or retained food debris and secretions.
• Manometrical: absence of primary peristalsis, elevated to normal resting lower esophageal pressures, and incompelete or absent relaxation.
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• Clinical symptoms: coughing, dysphagia, foul breath, regurgitation, weight loss, aspiration, recurrent pneumonia or lung abscess. Variant form, denoted by vigorous achalasia, has high amplitude, simultaneous and repetitive contractions. These patients symptoms may differ with chest pain and less dilation.
• Associations: risk for carcinoma varies up to 9 x increase relative to general population
• Demographics: Primary achalasia range 30 to 50 whereas secondary achalasia is more often in older patients. There is an equal sex distribution.
• Gross Morphology: Massively dilated esophagus with smooth tapered distal segment at GE junction.
• Histology: Decreased number of ganglion cells in myenteric ganglia (Auerbach's Plexus) of the esophagus.
• Radiology:
Chest radiograph: mediastinal widening, anterior tracheal bowing, air-fluid level in mediastinum, decreased or absent gastric bubble.
• Barium swallow: markedly dilated tortuous esophagus, absent primary peristalsis, and (bird beak deformity) tapered narrowing of distal esophagus at GE junction.
• CT: Dilation of esophagus with diameter more than 4 cm, decreased or increased thickness, abrupt smooth narrowing at distal segment at GE junction, air fluid level or retained food debris and secretions.
• Manometrical: absence of primary peristalsis, elevated to normal resting lower esophageal pressures, and incompelete or absent relaxation.
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