Reference : Laddering melanotic pattern of Langer's lines in skin of colour.
Scientific journals : Article
Human health sciences : Dermatology
http://hdl.handle.net/2268/2536
Laddering melanotic pattern of Langer's lines in skin of colour.
English
Quatresooz, Pascale mailto [Centre Hospitalier Universitaire de Liège - CHU > > Dermatopathologie >]
Hermanns, Jean-Francois [> > > >]
Hermanns-Lê, Trinh mailto [Centre Hospitalier Universitaire de Liège - CHU > > Dermatopathologie >]
Pierard, Gérald mailto [Centre Hospitalier Universitaire de Liège - CHU > > Dermatopathologie >]
Nizet, Jean-Luc [Centre Hospitalier Universitaire de Liège - CHU > > Chirurgie maxillo-faciale et plastique >]
2008
European Journal of Dermatology
John Libbey Eurotext
18
5
575-8
Yes (verified by ORBi)
International
1167-1122
Montrouge
France
[en] Adult ; African Continental Ancestry Group ; Dermoscopy ; Female ; Humans ; Male ; Melanocytes ; Middle Aged ; Skin/anatomy & histology ; Skin Physiological Phenomena ; Skin Pigmentation ; Young Adult
[en] Mechanobiological stimulation of the skin influences melanocyte activity. The clinical impact on melanocytes can be perceived by dermoscopy. Our aim was to assess the orientation of Langer's lines using the combination of ultrasound shear wave propagation and dermoscopy in 70 adults of darker skin complexion. On the back, 44/70 patients showed a honeycomb melanotic pattern without any main orientation. By contrast, a streaky parallel pattern of melanotic lines oriented in the direction of Langer's lines was found in 26/70 patients. Indeed, the maximum speed of ultrasound propagation was found parallel to the main orientation of the laddering melanotic pattern. The parallel melanotic pattern probably reflects the main orientation of the epidermal rete ridges aligned in the direction of Langer's lines. This aspect could be ascribed to the deepening of these structures and/or to mechanobiology affecting melanocytes. The aspect is reminiscent of that previously described in striae distensae and atrophic scars.
http://hdl.handle.net/2268/2536
10.1684/ejd.2008.0497

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