Section : Seborrhoeic Keratosis (seborrheic keratosis)(seborrheic warts)(age spots)

Seborrheic Keratosis – Table of Contents (For Professionals)

Table of Contents (For Professionals)

Seborrheic keratosis=SK


-Historical Features


Clinical Features

-Clinical Presentation

-Differential diagnosis on clinical grounds

Dermatoscopical Features

-Differential Diagnosis on dermoscopical grounds

Histological Features

Association of SK with systemic disease


-Origin of SK

  1. follicular epithelium
  2. solar lentigo

-Causal factors

  1. Uv exposure
  2. HPV infection (Human papillomavirus))
  3. deficiency in presenilin
  4. vitamin A deficiency

Suggested Mechanisms of growth

-By hyperproliferation theory

-Accumulation of senescent cells theory

-Authors’ Experience


-Pigmentation in SK: a mechanism explained by parallelism?


This review was initially written in 2005 and does not include new discoveries like the proposed fgf3 receptor mutation. However, the information is correct and the publications which came out at later dates do not answer in a definate way the questions made by the study of this frequent albeit enigmatic lesion.

This advice is for informational purposes  only and does not replace therapeutic judgement done by a skin doctor.

Category : index - Modifie le 10.15.2012Category : Kératose séborrhéique - Modifie le 10.15.2012Category : Seborrheic keratosis - Modifie le 10.15.2012Category : Seborrhoeic keratosis - Modifie le 10.15.2012Category : table des matières - Modifie le 10.15.2012Category : table of contents - Modifie le 10.15.2012Category : verrue séborrhéique - Modifie le 10.15.2012