ISSN 2398-2950      

Skin: fat responsive dermatosis

ffelis

Synonym(s): Essential fatty acid deficiency


Introduction

  • cause: inadequate diet or chronic disease/malabsorption.
  • Signs: include dry scaling, followed by erythema, alopecia and pruritus.
  • Diagnosis: history and signs.
  • Treatment: fatty acid supplementation, or alteration to complete, balanced diet.
  • Prognosis: good if simple nutritional deficiency diagnosed.

Pathogenesis

Etiology

  • Long term maintenance on diet deficient in fatty acids.
  • Deficiency can also accompany chronic internal disease such as malabsorption Malassezia pachydermatis (possibly secondary to infiltrative bowel disease eg lymphoma Lymphoma) or liver disease Liver: chronic disease.

Pathophysiology

  • Cats require certain fatty acids in their diet (linoleic and arachidonic acid) since they lack the ability to sythesize them.
  • Commercial diets are adequately supplemented, but poor storage of dried foods may result in deficiency.
  • Arachidonic acid only found in fat of animal origin confirming cat as obligate carnivore cat is unable to synthesize arachidonic acid from linoleic acid.

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

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