DISEASE SCANNER

Global Incurable Diseases Tracker

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Dermatologic Condition

Seborrheic Keratosis

LOW SEVERITY

Common benign skin growths that appear as waxy brown, black, or tan spots. Often called 'barnacles of aging.' Very common in older adults. Not contagious or premalignant but can be cosmetically concerning.

Global Affected

83.0M

Countries

16

Symptoms

Waxy growths
Brown to black color
Rough texture
Stuck-on appearance
Itching
Irritation
Multiple lesions
Slow growth

Treatment Options

Cryotherapy
Curettage
Electrosurgery
Laser therapy
Shave excision
Hydrogen peroxide 40%
Topical treatments
Observation

Risk Factors

1Age over 50
2Family history
3Sun exposure
4Fair skin
5Pregnancy
6Estrogen therapy
7Genetic predisposition

Diagnostic Methods

  • 1Physical examination
  • 2Dermoscopy
  • 3Biopsy (if uncertain)
  • 4Medical history
  • 5Comparison to photos

Prognosis

Excellent. Benign condition. No health risk. May continue to develop new lesions. Cosmetic treatments effective. Sudden appearance warrants cancer screening.

Prevention

  • Sun protection
  • Regular skin checks
  • Early evaluation of new growths
  • Genetic counseling if family history

Research Status

Removal for cosmetic reasons or if irritated. Cryotherapy, curettage, or laser. No medical treatment needed. Sudden eruption (sign of Leser-Trélat) may indicate internal cancer.

Affected Countries

United StatesUnited KingdomCanadaAustraliaGermanyFranceItalySpainJapanBrazilMexicoNigeriaIndiaChinaSouth AfricaSweden

Sources

  • https://www.mayoclinic.org/diseases-conditions/seborrheic-keratosis/symptoms-causes/syc-20353878
  • https://www.hematology.org/education/patients
  • https://www.ncbi.nlm.nih.gov/books
  • https://rarediseases.org/rare-diseases

Medical Disclaimer

This information is for educational purposes only. Always consult healthcare professionals for medical advice, diagnosis, and treatment.