Bovis ISSN 2398-2993

Impression smear

Synonym(s): cytology

Contributor(s): Catherine Fraser, John Tulloch

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Introduction

  • Impression smears can be taken from any moist or greasy skin surface to see any inflammatory, neoplastic or other cellular infiltrates, also to look for acantholytic keratinocytes, bacteria and yeasts.
  • They can also be taken from cut surface of a surgical specimen or post mortem specimen.

Uses

Advantages

  • Samples are easily and quickly taken and will allow immediate differentiation of neoplastic and infective disease in many cases.

Disadvantages

  • Surface bacteria may not be causative as cattle lesions may be heavily contaminated with fecal bacteria.
  • Although most neoplastic lesions will exfoliate cells, some (eg sarcomata) will not, so results may be erroneously negative.

Requirements

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Procedure

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Outcomes

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Further Reading

Publications

Refereed Papers

Other sources of information

  • Scott D W, Miller W H & Griffin C E (2001) Muller & Kirk's Small Animal Dermatology. W B Saunders. 6th Edn. pp 112-115.
  • Scott D W (1989) Large Animal Dermatology. W.B.Saunders. pp 120-121.
  • Villiers E & Blackwood L (2005) Canine and Feline Clinical Pathology. BSAVA. 2nd Edn.


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