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Signalment
Description
Infection of the anal sac to form an abscess. Fistulous tracts may arise from the abscess and rupture to the skin.
Diagnosis
History and Clinical Signs
Microscopic examination of the fluid will show polymorphonuclear leukocytes and bacteria
Treatment
Incision of the sacs and drainage plus lavage with an isotonic solution or 0.05% chlorhexidine. The incisions should be left open and broad spectrum systemic antibiotics given until results of culture and sensitivity are back. Common organisms are Escherichia coli, Streptococcus faecalis and Proteus species. If the condition becomes chronic, it is best managed by an anal sacculectomy.
Prognosis
References
Hall, E.J, Simpson, J.W. and Williams, D.A. (2005) BSAVA Manual of Canine and Feline Gastroenterology (2nd Edition) BSAVA
Merck & Co (2008) The Merck Veterinary Manual