منابع مشابه
Pigmented contact dermatitis.
Pigmented contact dermatitis (PCD) is a noneczematous variant of contact dermatitis, characterized clinically by hyperpigmentation with little or no signs of dermatitis. The term pigmented contact dermatitis was coined by Osmundsen, a Danish dermatologist who described an epidemic of melanosis in Copenhagen.[1] In a series of excellent observations and investigations, he proved that the melan...
متن کاملPigmented Contact Dermatitis
Pigmented Contact dermatitis is a non-eczematous variant of contact dermatitis clinically characterised by reddish-brown to slate grey pigmentation in a reticulate pattern, usually without any active or preceding clinical dermatitis. A detailed history is essential to establish the temporal correlation of exposure to a possible sensitizer, which further helps in differentiating PCD from its clo...
متن کاملContact dermatitis in dentistry
Contact dermatitis can affect dentists, orthodontists, technicians, nurses and the patients. The increase of dental patients in recent years caused an increase in reports of dermatitis and other allergies in patients and in dentists too. With changes in dental materials through years, allergy and contact reactions in persons in contact with new allergens had been increased. So dentists and derm...
متن کاملContact Dermatitis
A contact or exogenous dermatitis is one in which an external irritant is the m?st important cause; but a constitutional factor undoubtedly also plays a part, and accounts for the fact that only a certain proportion of a community, in contact with the same irritant, develops dermatitis. Most cases of contact dermatitis clear up quickly when the irritant is removed, but in some the rash persists...
متن کاملNoneczematous Contact Dermatitis
Irritant or allergic contact dermatitis usually presents as an eczematous process, clinically characterized by erythematoedematovesicous lesions with intense itching in the acute phase. Such manifestations become erythematous-scaly as the condition progresses to the subacute phase and papular-hyperkeratotic in the chronic phase. Not infrequently, however, contact dermatitis presents with nonecz...
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ژورنال
عنوان ژورنال: Indian Journal of Dermatology, Venereology and Leprology
سال: 2007
ISSN: 0378-6323
DOI: 10.4103/0378-6323.35728