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Benign Skin Tumors Definition & Overview


Seborrheic keratosis is the presence of a benign (noncancerous) raised growth on the skin. Seborrheic means greasy (although often the growth is not greasy) and keratosis means thickening of skin. The growths arise from the top layer of skin and can have a ‘stuck-on’ look. These growths may look like warts but don’t extend deep into the skin or contain the viruses that cause warts.

Seborrheic keratoses are not contagious, do not spread, and will never turn into cancerous tumors. Therefore, they do not threaten your health, but can be irritating or cosmetically displeasing.

Skin Section with Seborrheic Keratosis

skin section mole
© 2009 Nucleus Medical Art, Inc.

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright © 2023 EBSCO Publishing All rights reserved.

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