Abdominal Radiology

, Volume 43, Issue 5, pp 1271–1272 | Cite as

The bowler hat sign

  • Man Leung Yu
  • Ho Yuen Wong
  • Kam Ho Lee
Classics in Abdominal Imaging


Compliance with ethical standards


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.


  1. 1.
    “Bowler hat makes a comeback”. The Daily Telegraph (London). Retrieved 25 September 2011.Google Scholar
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    Simms S (1985) Differential diagnosis of the bowler hat sign. Am J Roentgenol 144(3):585–587CrossRefGoogle Scholar
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    Miller WT, Levine MS, Rubesin SE, Laufer I (1989) Bowler-hat sign: a simple principle for differentiating polyps from diverticula. Radiology 173(3):615–617CrossRefPubMedGoogle Scholar
  4. 4. Courtesy of P.D Janken. Assessed 23 June 2017.

Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of RadiologyQueen Mary HospitalHong KongHong Kong SAR

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