Abdominal Radiology

, Volume 43, Issue 5, pp 1273–1274 | Cite as

Frostberg’s inverted three sign

  • Martha Maria Ruiz-Ballesteros
  • Braulio Alejandro Marfil-Garza
Classics in Abdominal Imaging


Compliance with ethical standards


The authors received no funding.

Conflict of interests

The authors report no conflict of interests.

Ethical approval

This publication is in compliance with the ethical approval statement. No Institutional Review Board was required for this publication.


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    Ruiz Pardo J, Sanchez Bueno F, Torres Salmeron G, Parrilla Paricio P (2015) Inverted-3 sign of Frostberg forces to exclude malignancy. Cir Esp 93(7):e57. doi: 10.1016/j.ciresp.2015.04.005 CrossRefPubMedGoogle Scholar
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    Stiennon OA (1956) The anatomical basis for the epsilon sign of Frostberg. Am J Roentgenol Radium Ther Nucl Med 75(2):282–290PubMedGoogle Scholar
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    Eyler WR, Clark MD, Rian RL (1962) An evaluation of roentgen signs of pancreatic enlargement. JAMA 181(11):967–971. doi: 10.1001/jama.1962.03050370035008 CrossRefPubMedGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Department of RadiologyInstituto Nacional de Ciencias Medicas y Nutricion “Salvador Zubiran”Mexico CityMexico
  2. 2.Department of Internal MedicineInstituto Nacional de Ciencias Medicas y Nutricion “Salvador Zubiran”Mexico CityMexico

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