Journal ArticleDOI
Pigmented contact dermatitis.
Reads0
Chats0
TLDR
An intense and bizarre hyperpigmentation developed in 7 patients with contact allergy to the optical whitener Tinopal CH 3566 in 4 of the patients the pigmentation followed a contact dermatitis, but the other 3 patients had not observed any skin changes or itching prior to or during the development of the Pigmentation.Abstract:
Summary
An intense and bizarre hyperpigmentation developed in 7 patients with contact allergy to the optical whitener Tinopal CH 3566. In 4 of the patients the pigmentation followed a contact dermatitis, but the other 3 patients had not observed any skin changes or itching prior to or during the development of the pigmentation.
Biopsies showed damage to the cells of the basal layer (hydropic degeneration, localized or complete destruction) and incontinence of pigment.read more
Citations
More filters
Book Chapter
Hypomelanoses and hypermelanoses
Hilde Lapeere,Barbara Boone,Sofie De Schepper,Evelien Verhaeghe,Katia Ongenae,Nanja van Geel,Jo Lambert,Lieve Brochez,Jean-Marie Naeyaert +8 more
TL;DR: The Griscelli syndrome presents in accelerated phase with neurological involvement and the role of mutations in the RAB27A gene as an indication for BMT is unclear.
Journal ArticleDOI
Prurigo pigmentosa: a distinctive inflammatory disease of the skin.
TL;DR: Prurigo pigmentosa is unique among inflammatory diseases of the skin and the singularity of it is manifest both clinically and histopathologically.
Journal ArticleDOI
Pigmented cosmetic dermatitis
TL;DR: This review is concerned with the way this pigmentary disorder was overcome through the use of patch testing and allergen control.
Journal ArticleDOI
Prurigo pigmentosa--clinical observations of our 14 cases.
TL;DR: Clinical observations of fourteen Japanese patients with prurigo pigmentosa, a peculiar pruritic pigmented dermatosis, were reported, and it is speculated that some unknown environmental contaminant in today's Japan may play a role in the development of this dermatosis.
Journal ArticleDOI
Pigmented contact dermatitis due to kojic acid. A paradoxical side effect of a skin lightener.
TL;DR: A case of pigmented contact dermatitis to kojic acid is reported and the clinical diagnosis and the histopathology of the lesions are briefly discussed.
References
More filters
Journal ArticleDOI
The Behavior of Melanocytes in Inflammation
TL;DR: Although histopathologists have keenly catalogued the reactions of the epidermis and its keratinocytes in a great variety of inflammatory disorders, the pigment-forming cells have been traditionally ignored as mentioned in this paper.
Journal ArticleDOI
Contact dermatitis due to an optical whitener in washing powders.
TL;DR: A wave of contact dermatitis due to an optical whitener in washing powders is occurring in Copenhagen with 30 patients diagnosed in only 2 months.