Sebaceous Cysts (Epiderman Inclusion Cysts)
Epidermal inclusion cysts, also called sebaceous cysts, are common surface tumors found anywhere on the body.
The cysts produce a dome-shaped swelling up to an inch or more in size beneath the skin, though most are smaller. They can become infected and may need to be drained. This sometimes leads to a cure.
Kerry Blue Terriers, Schnauzers, Poodles, and spaniels are most often affected. Epidermal inclusion cysts begin when dry secretions block hair follicles, causing an accumulation of hair and sebum (a cheesy material), and subsequent formation of a cyst.
It is often impossible to determine whether a skin tumor is benign or malignant by appearance alone. The only conclusive way to make a diagnosis is by biopsy, a procedure in which tissue or cells are removed by your veterinarian and examined under a microscope by a veterinary pathologist.
Surgical excision is the treatment of choice, although it is not always required.
Please contact your veterinarian if you have questions regarding this condition.
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