Achalasia ultrasound: Difference between revisions
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==Overview== | ==Overview== | ||
Revision as of 12:48, 3 November 2017
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Achalasia Microchapters |
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Achalasia ultrasound On the Web |
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American Roentgen Ray Society Images of Achalasia ultrasound |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Twinkle Singh, M.B.B.S. [2] Ahmed Younes M.B.B.CH [3]
Overview
Achalasia should be differentiated from mechanical obstruction or neoplastic infiltration of lower esophageal sphincter which can present with similar symptoms such as dysphagia, regurgitation and weight loss. Endoscopic ultrasound is required in cases where malignancy is suspected.[1]
Endoscopic Ultrasound
Endoscopic ultrasound (EUS) is indicated in cases of achalasia like picture with strong suspicion of malignancy. Presence of following risk factors raises suspicion for malignancy:
- Elderly patients
- Short duration of dysphagia history
- Significant weight loss
- Unusually increased resistance to passage of endoscope through gastroesophageal junction
Unusual thickening of gastroesophageal junction, mass lesions or neoplastic infiltration revealed on EUS suggests diagnosis of pseudoachalasia instead of achalasia.[2]
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References
- ↑ Vaezi MF, Pandolfino JE, Vela MF (2013). "ACG clinical guideline: diagnosis and management of achalasia". Am J Gastroenterol. 108 (8): 1238–49, quiz 1250. doi:10.1038/ajg.2013.196. PMID 23877351.
- ↑ Boeckxstaens GE, Zaninotto G, Richter JE (2013). "Achalasia". Lancet. doi:10.1016/S0140-6736(13)60651-0. PMID 23871090.