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Exact cause is unknown
Seborrheic keratoses are non-cancerous growths of the outer skin layer. SKs occur singly or in a cluster and are usually brown in color, SKs can vary from tan to black. SKs have a waxy, almost pasted-on look. Almost every adult will eventually develop at least of few of these growths as they are more common with aging.
- Cryotherapy or Liquid Nitrogen therapy freezes the SKs. Repeat treatment may be necessary at two week intervals.
- Curettage and Electrodessication: the growth is peeled away with a curette and the heat produced by an electrocautery needle destroys the SK and controls bleeding.