
Seborrheic Keratosis
DermatologyOverview
A benign tumor caused by proliferation of keratinocytes, occurring mainly in older people. Lesions range from light brown to black, are usually round or oval, and have a flat or slightly raised surface.
Symptoms
- Brown plaque
- Greasy scale
- Well-defined border
- Slightly raised
Treatment
Mostly benign and requiring no treatment; cryotherapy, laser, or curettage may be used for cosmetic reasons or when diagnosis is needed.
Dietary advice
Maintain a balanced diet with plenty of fresh fruits and vegetables, and use sun protection.
