Skin Growth Syndromes In Dogs (Hyperkeratoses And Dermatoses)

Abnormal Skin Growth Syndromes (Hyperplastic and Seborrheic Syndromes)

These syndromes involve abnormal development of skin cells, leading to thickening and scaling of the upper skin layer. Some of these syndromes could be linked to a number of other hereditary conditions, and could even be sex-linked. There may be widespread symptoms or just affect localised sections of the skin.

A number of breeds sporadically develop canine ichthyosiform dermatoses. These include American Bulldogs, Rottweilers, Golden Retrievers, Irish Setters, English Springer Spaniels, Collies, Cavalier King Charles Spaniels, Labrador Retrievers, Doberman Pinschers, and Terriers. Jack Russell Terriers and Golden Retrievers have been proven to have a genetic predisposition to this condition. Dogs suffering from ichthyosiform dermatosis have their bodies filled with large scales that flake off in large sheets, with their paws and nose becoming painful due to thick scales. Though treating the disease is hard, special shampoos or solutions can be used in order to reduce the signs. There are certain trial treatments that have shown some potential, with the management of secondary infection often being necessary. Your veterinarian will recommend the best treatment for your dog.

Familial footpad hyperkeratosis refers to the increased thickness of the stiff, external layer of the skin of the footpad, developing at an early age. The syndrome is rarely congenital, with it being reported in Dogues de Bordeaux and Irish Terriers. In cases where the hyperkeratosis is severe, lameness and pain result due to secondary infections, cracks, and horns. It is not usually related to any other skin abnormality. Treating the syndrome involves relieving the symptoms and often treating any bacterial infections, soaking the footpads, and rubbing softening lotions.

Granulomatous sebaceous adenitis is a condition that not only damages the oil glands but is also associated with loss of hair and oil discharge in some dog breeds. It is an inherited condition in Standard Poodles and maybe even Akitas, appearing when the dog is still young. The first sign is the thickening of the skin followed by the diminishment of normal hair kinkiness, and finally patchy loss of hair. Experiencing a lot of oiliness and less hair loss is more common to the Akitas than the Poodles. With the affected animal’s response to treatment being inconsistent at best, medicated shampoos are prescribed for mildly affected dogs, and secondary infections treated accordingly.

Genetic Congenital Follicular Parakeratosis

This particular syndrome is new and affects female Siberian Huskies and female Rottweilers, and very little is known about it. What is certain is that it is a severe abnormality of the keratin-forming process; keratins being key components of skin. It is linked to numerous other abnormalities in other parts of the body.

Young English Springer Spanielsare usually affected by Psoriasiform-lichenoid dermatosis. The assumption is that this is a genetic disease. Evident symptoms include solid swollen areas around the groin or ears and red abnormalities made up of tiny lumps on the skin. If the abnormalities are not treated, they become covered with scale, thicken and harden (hyperkeratosis). Such abnormalities may even end up spreading to other parts of the body. While some dogs get better spontaneously, others have signs that are sporadic. Although some dogs feel better when given antibiotics, Psoriasiform-lichenoid dermatosis does not respond to treatment, in majority of cases.

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