ISSN 2398-2977      

Biopsy: overview

pequis

Synonym(s): Tissue sampling


Introduction

  • Standard technique to support diagnosis of inflammatory, proliferative, reactive and neoplastic conditions.
Print off the Owner factsheet on Samples - how they help your vet to give to your clients.

Uses

  • Confirmation of diagnosis or rule-outs.
  • Biopsies are taken to:
    • Establish a specific diagnosis.
    • Eliminate other clinical diagnoses.
    • Follow the course of the disease.
    • Confirm the completeness of excision of a tumor.
  • Biopsy and cytology specimens are used for several clinical purposes including:
    • Histological diagnosis.
    • Needle aspirate cytology   Cytology: fine needle aspirate  .
    • Special tests:
      • Immunohistochemistry/immunofluorescence.
      • Bacterial/fungal swabs.
  • Types of biopsy include:

Advantages

  • Can be the most effective way to establish a definitive diagnosis.
  • Facilitates assessment of prognosis and treatment.
  • Excisional biopsy may result in cure if the biopsy procedure removes the lesion.

Disadvantages

  • Invasive in some cases.
  • Correct tissue is not always accessible without complex procedures.
  • Minor interference may exacerbate some neoplastic and reactive conditions.

Requirements

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Preparation

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Procedure

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Aftercare

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Outcomes

This article is available in full to registered subscribers

Sign up now to obtain ten tokens to view any ten Vetlexicon articles, images, sounds or videos, or Login

Prognosis

  • Good in all cases if planned properly.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Rodrigues N L F, Dore M & Doucet M Y (2009) Validation of the transendoscopic glandular and nonglandular gastric biopsy technique in horses. Equine Vet J 41 (7), 631-635 PubMed.
  • McGavin M D & Fadok V A (1984) Factors limiting the usefulness of histopathological examination of skin biopsies in the diagnosis of large animal dermatoses. Vet Clin North Am Large Anim Pract 6, 203-213 PubMed.

Can’t find what you’re looking for?

We have an ever growing content library on Vetlexicon so if you ever find we haven't covered something that you need please fill in the form below and let us know!

 
 
 
 

To show you are not a Bot please can you enter the number showing adjacent to this field

 Security code