ISSN 2398-2969      

Skin: bacterial skin disease - overview

icanis

Synonym(s): Pyoderma


Introduction

  • Common secondary dermatosis.
  • Cause: unclear.
  • Signs: pustules with or without range of primary and secondary lesions, +/- pruritus.
  • Diagnosis: history, clinical signs. histopathology, bacteriology, microscopy.
  • Treatment: antimicrobial therapy.
  • Prognosis: depends on type of bacterial infection.

Pathogenesis

Predisposing factors

General
  • Immune incompetency, eg neoplasia.
  • Poor nutrition.
  • Unhygenic environment.
  • Anatomical factors, eg facial, lip, tail, vulvar and body folds.
  • Environmental factors, eg high temperature and humidity.
  • External trauma.
  • Viral infection.
  • Idiopathic keratinization defects.

Specific

Pathophysiology

  • Unclear.
  • Host factor +/- predisposing factor (?affecting anatomical and physiological epidermal barrier function) → penetration ofStaphylococcus intermedius Staphylococcus intermedius and its toxins into the skin → bacterial multiplication → exceed a threshold → pyoderma.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Littlewood J D, Lakhani K H, Paterson S, Wood J L N & Chanter N (1999) Clindamycin hydrochloride and clavulanate-amoxycillin in the treatment of canine superficial pyoderma. Vet Rec 144 (24), 662-665 PubMed.
  • Mason I S (1993) Selection and use of antibacterial agents in canine pyoderma. In Practice 15 (3), 129-34 VetMedResource.
  • Mason I S (1991) Canine pyoderma. JSAP 32 (8), 381-6 VetMedResource.
  • DeBoer D J (1990) Strategies for management of recurrent pyoderma in dogs. Vet Clin N A 20 (6), 1509-24 PubMed.
  • Ihrke P J (1987) An overview of bacterial skin disease in the dog. British Vet J 143 (2), 112-8 PubMed.

Other sources of information

  • Morrelo K A & Mason I S (1995)Handbook of Small Animal Dermatology.Pergamon Press. pp 127-136, 287-294 (Excellent problem-oriented approaches and diagnostic plans).
  • Muller G Het al(1995)Muller and Kirk's Small Animal Dermatology.5th edition. Philadelphia: W B Saunders. pp 280-328 (Detailed dermatology text book for in-depth reading).
  • Griffin C E, Kwochka K W & MacDonald J M (1993)Current Veterinary Dermatology - The Science and Art of Therapy.St Louis: Mosby Year Book. pp 3-21 (Well presented dermatology text book).
  • Grant D I (1991)Skin diseases in the Dog and Cat.2nd edn. Oxford: Blackwell Scientific Publications. pp 8-27 (Concise for quick reference).
  • Locke P H, Harvey R G & Mason I S (1993) (eds) Mason I S & Kwochka K W. In:Manual of Small Animal Dermatology.BSAVA. pp 60-64, 213-232 (Excellent differential diagnosis including frequency of occurrence indicators).

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