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Scientific Article

The role of surgery in the management of canine anal furunculosis. A review of the literature and a retrospective evaluation of treatment by surgical resection in 51 dogs

Pages 1-9 | Received 04 Apr 2005, Accepted 24 Jun 2005, Published online: 18 Feb 2011
 

Abstract

AIMS: To retrospectively evaluate the outcome of surgical management of anal furunculosis (AF) in 51 dogs. To compare the outcome of surgery with those of current medical protocols by way of a review of the literature.

METHODS: Dogs referred for treatment of AF (n=51) were treated by en bloc surgical resection of diseased tissue and primary wound closure. This technique was combined with bilateral anal sacculectomy in all cases in which the anal sacs had not been previously removed. Immunomodulatory therapies were not used, with the exception of post-operative metronidazole antibiosis for 7–10 days. Follow-up was performed by the author using a telephone questionnaire.

RESULTS: Forty-eight dogs were eligible for post-operative follow-up 1.5 to 36 (mean 17.4, median 18) months after surgery. Lesion recurrence, faecal incontinence and stricture formation occurred in 2%, 4% and 13% of dogs, respectively. The percentage of dogs considered by their owners to have an acceptable level of faecal continence and an improved quality of life was 94%.

CONCLUSIONS AND CLINICAL RELEVANCE: The aetiopathogenesis of canine AF remains unclear. Whilst recent advances in medical management by the use of various immunomodulatory medications (such as cyclosporine) hold promise, this approach has yet to be refined with respect to affordability, long-term efficacy and morbidity. With meticulous surgical dissection and reconstruction techniques (anoplasty), excellent success rates can be achieved following a single surgical procedure with minimal complications. Surgery remains a viable treatment option, alone or in combination with immunomodulatory medications, until a more thorough understanding of this debilitating disease is achieved.

Acknowledgements

I wish to thank Drs Larry Anderson and Andrew Worth for encouragement in preparing the manuscript; members of the soft tissue surgery department of the Royal Veterinary College, London, at the time of patient presentation, namely Dr Sue Gregory, Mr Nigel Trower and Mr Rob White.

Notes

DH Scarff, Anglian Referrals, Norwich, UK

R Malik, University of Sydney, Sydney, Australia

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