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

  • Terminology

    • Imaging

      • Pathology

        • Diagnostic Checklist

          Selected References

          1. 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
          2. Azour L et al: Causative factors, imaging findings, and CT course of round atelectasis. Clin Imaging. 50:250-7, 2018
          3. Riley JY et al: Imaging assessment of rounded atelectasis: a pictorial essay. J Med Imaging Radiat Oncol. 62(2):211-6, 2018
          4. Horn M et al: Dynamic contrast-enhanced MR imaging for differentiation of rounded atelectasis from neoplasm. J Magn Reson Imaging. 31(6):1364-70, 2010
          5. Marshall GB et al: Signs in thoracic imaging. J Thorac Imaging. 21(1):76-90, 2006
          6. Stathopoulos GT et al: Rounded atelectasis of the lung. Respir Med. 99(5):615-23, 2005
          7. Asad S et al: False-positive FDG positron emission tomography uptake in nonmalignant chest abnormalities. AJR Am J Roentgenol. 182(4):983-9, 2004
          8. Partap VA: The comet tail sign. Radiology. 213(2):553-4, 1999
          Related Anatomy
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          Related Differential Diagnoses
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          References
          Tables

          Tables

          KEY FACTS

          • Terminology

            • Imaging

              • Pathology

                • Diagnostic Checklist

                  Selected References

                  1. 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
                  2. Azour L et al: Causative factors, imaging findings, and CT course of round atelectasis. Clin Imaging. 50:250-7, 2018
                  3. Riley JY et al: Imaging assessment of rounded atelectasis: a pictorial essay. J Med Imaging Radiat Oncol. 62(2):211-6, 2018
                  4. Horn M et al: Dynamic contrast-enhanced MR imaging for differentiation of rounded atelectasis from neoplasm. J Magn Reson Imaging. 31(6):1364-70, 2010
                  5. Marshall GB et al: Signs in thoracic imaging. J Thorac Imaging. 21(1):76-90, 2006
                  6. Stathopoulos GT et al: Rounded atelectasis of the lung. Respir Med. 99(5):615-23, 2005
                  7. Asad S et al: False-positive FDG positron emission tomography uptake in nonmalignant chest abnormalities. AJR Am J Roentgenol. 182(4):983-9, 2004
                  8. Partap VA: The comet tail sign. Radiology. 213(2):553-4, 1999