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Sebaceous Adenitis
(Standard)
Sebaceous Adenitis (SA) is a skin disease of young, adult dogs in which the
sebaceous glands become inflamed and may eventually be completely destroyed. SA is
seen in about a dozen breeds, and is especially prevalent in Standard Poodles and
Akitas.
In the Standard Poodle, the disease is characterized by hair loss/thinning, silver
scales that adhere tightly to the hair, and in severe cases, secondary skin infection
causing a musty aroma. A subclinical form of the disease is only detectable by
microscopic examination of a plug of skin. Dogs that are subclinically affected look
normal. Documented cases of subclinically affected dogs becoming clinically affected
may mean that the subclinical form is an early stage of the disease.
SA can be diagnosed by a simple punch skin biopsy only. Antibiotics may help
secondary skin infections, but other attempts to "cure" SA-affected dogs
have provided only temporary improvement. Some breeds respond to Accutane. Standard
Poodles do not.
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