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Lung Nodules

  • Mary M. Salvatore
  • Ronaldo Collo Go
  • Monica A. Pernia M.
Chapter

Abstract

The most common indication for CT scan of the chest is evaluation of pulmonary nodules. The task is difficult because small nodules can look like blood vessels, and in order to differentiate the two, it is necessary to scroll through the images and note that the nodule is discrete, but a vessel is continuous. Previously chest CT scans used 10 mm collimation so little detail was visualized. Collimation is the thickness of the axial image. Overtime the collimation of CT images has decreased, allowing for increased resolution of nodules. Currently 1 mm images to evaluate the lung parenchyma should be the standard of care. One millimeter collimation generates many more images and requires a greater amount of time for careful review (Figs. 5.1 and 5.2).

Keywords

Nonsolid nodule Part-solid nodule Fleischner guidelines Hamartoma Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) RECIST (Response Evaluation Criteria in Solid Tumors) 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Mary M. Salvatore
    • 1
  • Ronaldo Collo Go
    • 2
  • Monica A. Pernia M.
    • 3
  1. 1.RadiologyIcahn School of Medicine at Mount SinaiNew YorkUSA
  2. 2.Division of Pulmonary, Critical Care, and Sleep MedicineCrystal Run Health CareMiddletownUSA
  3. 3.Internal MedicineNew York Medical College - Metropolitan Hospital ProgramNew YorkUSA

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