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Chest
Diagnosis
Overview of Chest Imaging
Chest Radiographic and CT Signs
Signet Ring Sign
Signet Ring Sign
Santiago Martínez-Jiménez, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Pathology

        Selected References

        1. Tiddens HAWM et al: The radiological diagnosis of bronchiectasis: what's in a name? Eur Respir Rev. 29(156), 2020
        2. Chiarenza A et al: Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologists. Insights Imaging. 10(1):114, 2019
        3. Amaral RH et al: Computed tomography in the diagnosis of bronchiectasis. Eur Respir J. 46(2):576-7, 2015
        4. Milliron B et al: Bronchiectasis: mechanisms and imaging clues of associated common and uncommon diseases. Radiographics. 35(4):1011-30, 2015
        5. Algın O et al: Signs in chest imaging. Diagn Interv Radiol. 17(1):18-29, 2011
        6. Marshall GB et al: Signs in thoracic imaging. J Thorac Imaging. 21(1):76-90, 2006
        7. Ouellette H: The signet ring sign. Radiology. 212(1):67-8, 1999
        8. Kim JS et al: Bronchoarterial ratio on thin section CT: comparison between high altitude and sea level. J Comput Assist Tomogr. 21(2):306-11, 1997
        9. Naidich DP et al: Computed tomography of bronchiectasis. J Comput Assist Tomogr. 6(3):437-44, 1982
        Related Anatomy
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        Related Differential Diagnoses
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        References
        Tables

        Tables

        KEY FACTS

        • Terminology

          • Imaging

            • Pathology

              Selected References

              1. Tiddens HAWM et al: The radiological diagnosis of bronchiectasis: what's in a name? Eur Respir Rev. 29(156), 2020
              2. Chiarenza A et al: Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologists. Insights Imaging. 10(1):114, 2019
              3. Amaral RH et al: Computed tomography in the diagnosis of bronchiectasis. Eur Respir J. 46(2):576-7, 2015
              4. Milliron B et al: Bronchiectasis: mechanisms and imaging clues of associated common and uncommon diseases. Radiographics. 35(4):1011-30, 2015
              5. Algın O et al: Signs in chest imaging. Diagn Interv Radiol. 17(1):18-29, 2011
              6. Marshall GB et al: Signs in thoracic imaging. J Thorac Imaging. 21(1):76-90, 2006
              7. Ouellette H: The signet ring sign. Radiology. 212(1):67-8, 1999
              8. Kim JS et al: Bronchoarterial ratio on thin section CT: comparison between high altitude and sea level. J Comput Assist Tomogr. 21(2):306-11, 1997
              9. Naidich DP et al: Computed tomography of bronchiectasis. J Comput Assist Tomogr. 6(3):437-44, 1982