Seborrheic Keratosis
Seborrheic keratosis is an extra growth of the
skin. It is often confused for a wart, and is commonly called
a "senile wart".
Symptoms of Seborrheic Keratosis
The symptoms of seborrheic keratosis are:
- Skin growth
- Tan or dark brown in color
- Rough or fine in texture, with thick surface
- Usually only a fraction of an inch in diameter, although can
be as large as an inch
- Varies in amount - just one lesion in most people with this
condition and hundreds over the back or chest in others.

Brown spot of seborrheic keratosis
These growths are usually located on:
- Chest
- Back
- Neck
- Face
- Scalp
Who Gets It?
Nearly everyone develops some skin growth as they age, especially
after their 40s.
What Causes Seborrheic Keratosis?
The exact cause of this condition is not known. It is known,
however, that exposure to the sun does not cause it.
Is it Infectious?
No, seborrheic keratosis is not infectious.
How Can Seborrheic Keratosis Growths be Removed?
These skin growths are harmless and painless - however, for those
who do not like their appearance, seborrheic keratosis can be
removed by:
- Freezing with liquid nitrogen
- Scraping with a currette
- Vaporizing with a laser or electric current
Note that these treatments are not permanent - new growths may
appear as the patient ages.