Seborrheic Keratosis Symptoms, Causes and More

By errol
Reviewed: dr. stavarache
Article Sources Article Sources
  • 1. 'Seborrheic Keratosis.' Mayo Clinic, Mayo Foundation for Medical Education and Research, 14 Sept. 2019,
  • 2. Articles.' Cedars,
  • 3. Publishing, Harvard Health. 'Seborrheic Keratoses.' Harvard Health,
  • 4. U;, Wollina. 'Recent Advances in Managing and Understanding Seborrheic Keratosis.' F1000Research, U.S. National Library of Medicine,
  • 5. Balasubramaniam, Darshana, and Craig G. Burkhart. 'Hydrogen Peroxide Use for Chemical Destruction in Seborrheic Keratosis: A Review.' The Open Dermatology Journal,
  • 6. Study of Seborrheic Keratosis by Dermoscopy Using...'Indian Journal of Dermatopathology and Diagnostic Dermatology, 22 Dec. 2020,
Medical Expert Medical Expert

2. Location

Papules occur most frequently on the neck, head, back and chest, although they can grow on any patch of skin except palms and soles. They don't grow on mucous membranes. Lesions usually start as small, lightly pigmented papules that become larger and darker over time.1‘Seborrheic Keratosis.’ Mayo Clinic, Mayo Foundation for Medical Education and Research, 14 Sept. 2019,

Some people develop only one seborrheic keratosis, but it's more common to see a few papules grouped together or single lesions in several locations. It's also possible to develop hundreds of growths, although this scenario is very uncommon.3Publishing, Harvard Health. ‘Seborrheic Keratoses.’ Harvard Health,

Seborrheic Keratosis

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