Seborrhoeic keratoses are harmless common skin growths that first appear during adult life.
Seborrhoeic keratoses may also be called basal cell papillomas, senile warts or brown warts.
As time goes by, seborrhoeic keratoses become more numerous.
Some people have inherited a tendency to develop a very large number of them.
Seborrhoeic keratoses appear on both covered and uncovered parts of the body; they are not generally caused by sunlight, although they can follow sunburn or other irritating skin conditions including dermatitis.
Seborrhoeic keratoses are harmless and rarely become malignant.
They begin as slightly raised, light brown spots. Gradually they thicken and take on a rough, warty surface.
They slowly darken and may turn black.
These color changes are harmless.
Seborrhoeic keratoses are superficial and look as if they were stuck on the skin.
People who have had several seborrhoeic keratoses can usually recognize this type of benign growth.
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