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Abdominal Radiology

, Volume 42, Issue 5, pp 1608–1609 | Cite as

The esophageal bird’s beak sign

  • Dana E. Amiraian
  • David J. DiSantis
Classics in Abdominal Imaging
  • 166 Downloads

Notes

Compliance with ethical standards

Funding

No funding was received for this study.

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed consent

Statement of informed consent was not applicable since the manuscript does not contain any patient data.

References

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    Chen HW, Du M (2016) Minimally invasive surgery for esophageal achalasia. J Thorac Dis 8(7):1834–1836CrossRefGoogle Scholar
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    Pandolfino JE, Gawron AJ (2015) Achalasia: a systematic review. JAMA 313(18):1841–1852CrossRefGoogle Scholar
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    Goldblum JR, Whyte RI, Orringer MB, Appelman HD (1994) Achalasia: a morphologic study of 42 resected specimens. Am J Surg Pathol 18(4):327–337CrossRefGoogle Scholar
  4. 4.
    https://commons.wikimedia.org/w/index.php?curid=17291678. Photo courtesy of Marcial4. Public domain. Accessed 18 Sept 2016

Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Department of RadiologyMayo Clinic JacksonvilleJacksonvilleUSA

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