Normal Components

  • Yener S. Erozan
  • Ibrahim Ramzy
Part of the Essentials in Cytopathology book series (EICP, volume 15)


In this chapter, epithelial cells of the tracheobronchial tree and alveoli, as well as nonepithelial elements such as macrophages, neutrophils, lymphocytes and eosinophils as they appear in cytologic specimens, are illustrated, and their significance is discussed.

The chapter also includes noncellular elements: Curschmann spirals, Charcot–Leyden crystals, corpora amylacea and psammoma bodies, as well as contaminants.


Idiopathic Pulmonary Fibrosis Small Cell Carcinoma Prussian Blue Hypersensitivity Pneumonitis Cytologic Specimen 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Suggested Reading

  1. Antonakopoulos GN, Lambrinaki E, Kyrkou KA. Curschmann’s spirals in sputum: histochemical evidence of bronchial gland ductal origin. Diagn Cytopathol. 1987;3:291–4.PubMedCrossRefGoogle Scholar
  2. Chen KTK. Psammoma bodies in fine-needle aspiration cytology of papillary adenocarcinoma of the lung. Diagn Cytopathol. 1990;6:235–42.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Yener S. Erozan
    • 1
  • Ibrahim Ramzy
    • 2
    • 3
  1. 1.Department of PathologyThe Johns Hopkins School of MedicineBaltimoreUSA
  2. 2.Departments of Pathology - Laboratory Medicine & of Obstetrics-GynecologyUniversity of CaliforniaIrvineUSA
  3. 3.Department of PathologyBaylor College of MedicineHoustonUSA

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