Etiologie (pour les professionnels) (en anglais)

Etiology (For Professionals) The origin and cause of SK is to the best of our knowledge unknown and what follows below is a list of proposed hypotheses. Origin of SK Hair follicle epithelium Whatever, the triggers and mechanisms of pathogenesis of seborrheic keratosis, they seem to develop from the follicular epithelium.This hypothesis come from the…

Les kératoses séborrhéiques (verrues séborréiques)(verrues séniles)(taches de vieillesse)

La lèpre (maladie de Hansen): Etiologie: (Mycobacterium leprae) et la transmission de la lèpre (Pour les professionnels)

Mycobacterium leprae is the cause of leprosy – the organism being first discovered by Armauer Hansen in 1873. The infected human being is considered to be the only source of infection. Although 4% of the nine-banded armadillo in the USA have naturally acquired leprosy-like disease, only a handful of the spread from the armadillo to…

La lèpre (maladie de Hansen)

Tokelau (Dermatophytose imbriquée): Causes (étiologie)

Causes

  • The condition is caused by a strictly anthropophilic dermatophyte called tinea concentricum.
  • Transmission is incompletely understood. Close contact is important but not enough and genetic (mode of inheritance mainly autosomal recessive (“pure race”) with a few autosomal dominant cases), environmental (poor hygiene, iron deficiency, malnutrition) and immunological factors play an important role.

Bibiography

Tokelau (Dermatophytose imbriquée)