Sputum Cytology: Why It Is Done


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Why It Is Done


Sputum cytology is done to detect:

  • Lung cancer. However, this is not used as a screening test for people at risk for developing lung cancer, such as smokers.
  • Noncancerous lung conditions, such as pneumonia or inflammatory diseases, tuberculosis, or the buildup of asbestos fibers in the lungs (asbestosis).


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Last updated: March 21, 2007
Author: Maria G. Essig, MS, ELS
Reviewed By: Caroline S. Rhoads, MD - Internal Medicine, Robert L. Cowie, MB, FCP(SA), MD, MSc, MFOM - Pulmonology
Editors: Susan Van Houten, RN, BSN, MBA, Tracy Landauer

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