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Cytologic evaluation

Cell evaluation; Cytology

 

Cytologic evaluation is the analysis of cells from the body under a microscope. This is done to determine what the cells look like, and how they form and function.

The test is usually used to look for cancers and precancerous changes. It may also be used to look for viral infections in cells. The test differs from a biopsy because only cells are examined, not pieces of tissue.

The Pap smear is a common cytologic evaluation that looks at cells from the cervix. Some other examples include:

  • Cytology exam of fluid from the membrane around the lungs (pleural fluid)
  • Cytology exam of urine
  • Cytology exam of saliva mixed with mucus and other matter that is coughed up (sputum)

 

Open References

References

Kumar V, Abbas AK, Aster JC. Neoplasia. In: Kumar V, Abbas AK, Aster JC, eds. Robbins & Cotran Pathologic Basis of Disease. 10th ed. Philadelphia, PA: Elsevier; 2021:chap 7.

Weidmann JE, Keebler CM, Facik MS. Cytopreparatory techniques. In: Bibbo M, Wilbur DC, eds. Comprehensive Cytopathology. 4th ed. Philadelphia, PA: Elsevier Saunders; 2015:chap 33.

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  • Pleural biopsy

    Pleural biopsy

    illustration

  • Pap smear

    Pap smear

    illustration

 

Review Date: 9/18/2023

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