ISSN 2398-2969      

Anal sac impaction

icanis

Introduction

  • Most commonly: retention of anal sac secretions often leading to inflammation and infection.
  • Cause: unknown but may be related to diet, external anal sphincter dysfunction, undersized anal sac ducts, loose stools, Taenia proglottids lodged in the anal sac duct orifice.
  • Signs: pain on defecation, tenesmus, licking and biting at the tailhead region, redness and swelling over the anal sac region.
  • Diagnosis: clinical signs, prior history of anal sac impaction, difficulty when attempting to express anal sacs.
  • Treatment: express anal sacs and/or vigorously flush and instill an antibiotic ointment in each anal sac. Anal sacculectomy if becomes chronic.

Pathogenesis

Etiology

  • The causes are unknown but may be related to:
    • Diet.
    • External anal sphincter dysfunction.
    • Undersized anal sac ducts.
    • Loose stools or Taenia proglottids Taenia spp fresh gravid proglottides lodged in the anal sac duct orifice (rare).

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Ross J T, Scowelli T D, Matthiesen D T & Patnaik A K (1989) Adenocarcinoma of the apocrine gland of the anal sac in the dog - a retrospective study of 31 dogs. Vet Surg 18 (1), 71 VetMedResource.
  • Van Dujkerene (1995) Disease conditions of the canine anal sacs. JSAP 36 (1), 12-16 PubMed.

Other sources of information

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