Canis ISSN: 2398-2942

Skin: comedo syndrome (Schnauzer)

Contributor(s): David Scarff

Introduction

  • Uncommon; seen only in Miniature Schnauzer and related cross-breeds.
  • Cause:?genetic - hair follicle dyplasia?
  • Signs: small nodules, papules and some hair loss on dorsal trunk.
  • Diagnosis: breed, clinical signs, histopathology.
  • Treatment: long-term shampoo therapy.
  • Prognosis: guarded.

Pathogenesis

Etiology

  • Unknown.

Predisposing factors

General
  • Comedones form and enlarge, dilating the hair follicle.
  • Despite dilation, follicular ostia remain relatively closed.
  • Secondary bacterial infection may occur.

Pathophysiology

  • Uncertain, may be a developmental dysplasia of hair follicles.
  • Probable genetic basis.
  • Comedones form and enlarge, dilating the hair follicle.
  • Secondary bacterial infection may occur.

Timecourse

  • Slow (months) enlargement of comedones and spread.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

Other sources of information

  • Scott Wet al(eds)Muller and Kirk's Small Animal Dermatology.5th edition. Philadelphia: W B Saunders Co. pp 752.


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