anal furunculosis or peri anal fistula in dog

1. Anal furunculosis
or
Perianal fistulae

2. Perianal
fistula
Perianal
fissure
Perianal
sinuses

3. Chronically relapsing suppurative deep
progressive ulcerating tracts in the perianal tissues

4. Case no: C 1497
Date: 17/5/2017

5. ETIOLOGY
Actual cause is unknown
Autoimmune causes & food allergies
Infection or impaction of anal gland
Abscessation of glands around anus
Poor ventilation towards anal region

6. Clinical signs
• Tenesmus
• Diarrhoea/Constipation
• Hematochezia
• Weight loss
• Inappetence
• Offensive odour
• Perianal licking
• Purulent discharge
• Behavioural changes

7. Differential Diagnosis
• Anal adenitis
• Anal sac abscess or fistula
• Anal or rectal neoplasms
Diagnosis
• History & clinical signs
• Cytological examination
• Histopathological examination
• Tissue biopsy

8. TREATMENT
Immunosuppressive
therapy
Hygiene
therapy
Dietary
therapy
Surgical
methods

9. Immunosuppressive / Immunomodulatory therapy
3-5 mg/kg 5-10 mg/kg
2.2 mg/kg
0.5-2 mg/kg
10-15 mg/kg

10. Hygiene therapy
• Clipping
• Cleaning
• Lavage
• Antibiotic therapy oral -Augmentin
topical -Mupirocin
Dietary therapy
• Stool softeners
12.5-25 mg/kg

11. Surgical therapy
 Radical excision
 Cryosurgery
 Laser ablation
 Chemical cauterization
Post operative care
• Antiseptic
• Elizabethan collar
• Stool softeners
Complications
• Anal stenosis
• Faecal incontinence