Canis ISSN: 2398-2942

Cytology: prostatic wash

Synonym(s): Prostatic massage

Contributor(s): Kathleen P Freeman

Overview

  • Prostatic discharges contain cells.
  • Cytology may be more useful than diagnostic imaging.

Sampling

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Tests

Methodologies

  • Bacteriological culture.
  • Smear.
  • Romanowsky stains used for air-dried smears.
  • Light microscopy.

Validity

Sensitivity

Specificity

  • Non-specific urinary tract disease may be misdiagnosed as prostatic.

Technique (intrinsic) limitations

  • No information regarding tissue architecture.
  • Diagnosis of neoplasia may not be possible as neoplastic cells not usually shed in prostatic fluid.
  • Not able to differentiate urinary tract inflammation/infection from prostatic inflammation/infection.

Technician (extrinsic) limitations

  • Failure to obtain adequate sample.
  • Skill required to collect diagnostic sample.
  • Experience essential in interpretation of cytology.

Result Data

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Further Reading

Publications

Refereed papers

  • Recent references from VetMed Resource and PubMed.
  • (1998) General principles of cytological interpretation. In Pract 20, 429-437.

Other sources of information

  • Cowell R L, Tyler R D & Meinkoth J H Diagnostic Cytology and Hematology of the Dog and Cat. 2nd edn. St. Louis: Mosby.
  • Duncan J R, Prasse K W & Mahaffey E A (1994) Veterinary Laboratory Medicine. Clinical Pathology. 3rd edn. Iowa: Iowa University Press.


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