Article (Scientific journals)
Striae distensae in darker skin types: the influence of melanocyte mechanobiology.
Pierard, Claudine; Hermanns, Jean-François; Hermanns-Lê, Trinh et al.
2005In Journal of Cosmetic Dermatology, 4 (3), p. 174-8
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Abstract :
[en] Introduction Striae distensae in White people are commonly described as being reddish at first and turning white in time. This dual perception has been challenged. Indeed, the color difference between striae distensae and their surrounding skin varies on a wide range in part depending upon typology. Aim To study striae nigrae that are found only in subjects of darker complexion. Materials and methods In the present study conducted in 44 darker skin adults, dermoscopy was combined to reflectance colorimetry. Results Striae nigrae exhibited hypermelanosis of the epidermal rete ridges crossing transversally the lesions in a laddering pattern. By contrast, striae albae showed only faint melanotic networks. Conclusions As striae distensae are in part under the influence of skin stretching, their colors are likely to be controlled by some mechanobiological process activating or inhibiting melanogenesis in people of darker complexion. No argument involving an inflammatory mechanism is supported by the present observations.
Disciplines :
Dermatology
Author, co-author :
Pierard, Claudine ;  Centre Hospitalier Universitaire de Liège - CHU > Dermatopathologie
Hermanns, Jean-François ;  Université de Liège - ULiège > Département des sciences cliniques > Dermatopathologie
Hermanns-Lê, Trinh ;  Centre Hospitalier Universitaire de Liège - CHU > Dermatopathologie
Pierard, Gérald ;  Centre Hospitalier Universitaire de Liège - CHU > Dermatopathologie
Language :
English
Title :
Striae distensae in darker skin types: the influence of melanocyte mechanobiology.
Publication date :
2005
Journal title :
Journal of Cosmetic Dermatology
ISSN :
1473-2130
eISSN :
1473-2165
Publisher :
Blackwell Publishing
Volume :
4
Issue :
3
Pages :
174-8
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 March 2009

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