Lung

General

Cytology



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PubMed Search: Cytology lung carcinoma

Deepali Jain, M.D.
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Table of Contents
Definition / general
Cite this page: Jain D. Cytology. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/lungtumorcytology.html. Accessed December 3rd, 2022.
Definition / general
  • Sputum or bronchial brushings are 80 - 90% sensitive for lung carcinoma if examine 5+ sputum samples
  • Fine needle aspirate is superior to bronchoalveolar lavage for diagnosis of pathologic pathology (Mod Pathol 2002;15:1259)
  • False positives: due to misidentification of macrophages or pneumocytes - includes bronchiectasis, fungal infections, infarct, lipoid pneumonia, postradiation changes, viral pneumonia
  • False negatives: often due to sampling (Diagn Cytopathol 2012;40:556); pleural fluid cytology is often falsely negative for small cell carcinoma
  • Also useful for mutation analysis (Acta Cytol 2012;56:661)
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