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Excoriation and Fissure

Excoriation
Erosion or ulceration caused by scratching, biting or rubbing.

 

 

 
Severe excoriations in a dog with scabies
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Severe excoriations in a dog with scabies
     

Excoriation is usually seen as a consequence of moderate or severe pruritus.

 

     

Fissure
Linear split through the epidermis into the underlying dermis.

 

 
Severe footpad hyperheratosis with fissures in a dog with necrolytic migratory erythema
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Severe footpad hyperkeratosis with fissures (arrow) in a dog with necrolytic migratory erythema
 

Fissures are usually seen as a consequence of a loss of skin elasticity.  In dogs with the so-called hepatocutaneous syndrome, footpad hyperkeratosis and fissuring often leads to lameness.

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Skin Lesions
  Introduction
  Primary Lesions
Secondary Lesions
  Erosions & Ulcers
  Epidermal Collarettes
  Scar
  Excoriation & Fissure
  Lichenification
  Pigmentation
  Conclusions
  Quiz
 
Course Map
Introduction
History
Examination
Diagnostic Plan
Skin Lesions
Diagnostic Tests
Therapy in Diagnosis
Summary
 
Resources
Glossary
Clinical Record Form (pdf)
History Algorithm
 Examination Algorithm