Skin Bumps (Papulonodular Dermatoses) Cats
Papulonodular Dermatoses in Cats
Bumps that are found on the surface of the skin, and which have a solid appearance without liquid or pus within (nonsupperative), are medically termed papulonodular dermatoses. These bumps are classified as either papules or nodules.
Symptoms and Types
Papules are the result of tissue infiltration by inflammatory cells. While nodules, which are larger than papules, are the result of a massive infiltration of inflammatory or cancerous cells into the layers of the skin.
These papules and/or nodules are essentially raised bumps on the surface of the skin - papules and/or nodules on the skin
You will need to give a thorough history of your cat's health, onset of symptoms, and possible incidents that might have precipitated this condition, such as an excessive amount of time in the sun, new foods that might have cause allergic responses, recent infections with parasites, etc.
Standard tests will include a complete blood profile a chemical blood profile, a complete blood count, and a urinalysis. During the physical exam, your veterinarian will scrape your cat's skin gently with a scalpel in order to get samples of the hair and skin for testing. This will allow your veterinarian to check for parasites, bacteria and/or yeast infections, any of which may be causing the skin to react with the raised nodules and papules. Cultures of these samples will be sent to a laboratory to check for fungi, bacteria, and microscopic parasites. Skin samples will also be sent for analysis on a microscopic level.
The medicines prescribed will depend on what the underlying cause of your cat's skin disease is. Your veterinarian may prescribe oral or topical (or both) antibiotics if bacteria are present. If your cat has parasites, it will need to be bathed in a parasiticidal dip (a preparation that is used to destroy parasites).
If your cat is having a reaction to sunlight, you will need to limit your cat's exposure to sunshine between 10 a.m. and 4 p.m., or apply sun block that is safe for use on cats. If your cat often spends time near a sunny window, you might consider placing light filtering shades over the glass to block ultraviolet (UV) rays.
For cases of squamous cell carcinoma, a form of skin cancer, the long-term outlook is poor. If your cat is a good candidate for surgery, your veterinarian will counsel you on your options. Often, surgery in conjunction with other cancer eradicating therapies is necessary.
Living and Management
You will need to revisit your veterinarian as often as recommended for chemical blood profiles, complete blood counts (CBC), urinalyses, and electrolyte panels if your cat is receiving cyclosporine, retinoid therapy or synthetic retinoid therapy.
Cats with mange should be monitored until they show no more signs of the infection, while those with ringworm will need to have fungal cultures repeated until they have a clear return.
A type of fungus that produces buds
An in-depth examination of the properties of urine; used to determine the presence or absence of illness
A product made of fluid, cell waste, and cells
The term for a disease of the skin caused by certain mites
Something that is artificially created
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