Follicular porokeratosis: four new cases.
Clin Exp Dermatol
; 42(8): 881-886, 2017 Dec.
Article
in En
| MEDLINE
| ID: mdl-28748571
ABSTRACT
Porokeratosis, a disorder of keratinisation, is clinically characterized by the presence of annular plaques with a surrounding keratotic ridge. Clinical variants include linear, disseminated superficial actinic, verrucous/hypertrophic, disseminated eruptive, palmoplantar and porokeratosis of Mibelli (one or two typical plaques with atrophic centre and guttered keratotic rim). All of these subtypes share the histological feature of a cornoid lamella, characterized by a column of 'stacked' parakeratosis with focal absence of the granular layer, and dysmaturation (prematurely keratinised cells in the upper spinous layer). In recent years, a proposed new subtype, follicular porokeratosis (FP_, has been described, in which the cornoid lamella are exclusively located in the follicular ostia. We present four new cases that showed typical histological features of FP.
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Skin
/
Porokeratosis
/
Hair Follicle
Limits:
Aged
/
Aged80
/
Female
/
Humans
/
Male
/
Middle aged
Language:
En
Journal:
Clin Exp Dermatol
Year:
2017
Document type:
Article
Affiliation country:
United kingdom