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NASAL DEPIGMENTATION Note for Pet Owners:
This information is provided by
Provet for educational purposes only.
You should seek the advice of
your veterinarian if your pet is ill as only he or she can correctly advise
on the diagnosis and recommend the treatment that is most appropriate for
your pet. Topics on this Page:
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Description
Loss of black pigment from the nose resulting in a light brown colouration
is a common finding in dogs, and it causes owner concerns for cosmetic reasons,
but it is of little clinical significance. It is also called "Dudley
nose"
It needs to be differentiated from other causes of depigmentation of the nose including Canine Uveodermatologic Syndrome and immune-mediated disorders such as Discoid Lupus Erythematosus
Cause
Th
Breed Occurrence
Nasal depigmentation has been reported to occur in the following breeds :
- Afghan hounds
- Alaskan Malamute
- Bernese Mountain Dogs
- Doberman Pinschers
- German Shepherd Dogs (White)
- Golden Retrievers
- Irish Setters
- Labrador Retrievers (Yellow)
- Pointers
- Poodles
- Samoyeds
- Siberian Huskies
Signs
Th
e disorder shows as a light brown to pink discolouration of the otherwise black nasal planum. In some breeds (eg Bernese Mountain Dogs, Siberian Huskies and Golden and Labrador Retrievers it may be seasonal - being worse in the winter. In other breeds it is not seasonal. In some individuals the amount of pigment present may change from time to time, in others it remains depigmented.Complications
Diagnosis
The diagnosis is based upon the clinical appearance and lack of other signs
typical of other diseases.
Treatment
There is no treatment reported to be successful for this condition.
Prognosis
Good as there are no other clinical signs.
Updated October 2013