Figurate Erythemas

Sep 15, 2019 by in Dermatology Comments Off on Figurate Erythemas

Abstract While there are multiple cutaneous disorders that can present with annular lesions, from urticaria to granuloma annulare, this chapter focuses on the four classic figurate erythemas – erythema annulare…

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Allergic Contact Dermatitis

Sep 15, 2019 by in Dermatology Comments Off on Allergic Contact Dermatitis

Abstract Allergic contact dermatitis (ACD) is caused by a delayed hypersensitivity reaction within the skin, manifesting as a pruritic dermatitis initially at the site of skin contact with the allergen….

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Atopic Dermatitis

Sep 15, 2019 by in Dermatology Comments Off on Atopic Dermatitis

Abstract Atopic dermatitis is a common inflammatory skin condition that affects up to 20–30% of children and 2–10% of adults. It represents a complex genetic disease with environmental influences and…

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Basic Principles of Dermatology

Sep 15, 2019 by in Dermatology Comments Off on Basic Principles of Dermatology

Abstract All students of dermatology need a basic foundation and framework upon which to accumulate knowledge. In this chapter, the basic tenets of disease classification in dermatology are introduced. This…

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Other Eczematous Eruptions

Sep 15, 2019 by in Dermatology Comments Off on Other Eczematous Eruptions

Abstract In addition to contact and atopic dermatitis, there exists a heterogeneous group of inflammatory skin diseases that obviously share the hallmarks of eczema, but also display characteristic additional features….

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Psoriasis

Sep 15, 2019 by in Dermatology Comments Off on Psoriasis

Abstract Psoriasis is a common inflammatory disease of the skin. It results from a polygenic predisposition combined with environmental triggers, e.g. trauma, infections, psychological stress, medications. Susceptibility genes point to…

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Lichen Planus and Lichenoid Dermatoses

Sep 15, 2019 by in Dermatology Comments Off on Lichen Planus and Lichenoid Dermatoses

Abstract Lichen planus (LP) is an idiopathic inflammatory disease of the skin and mucous membranes whose primary lesion is a pruritic, violaceous papule. Histologically, a band-like lymphocytic infiltrate underlies an…

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Other Papulosquamous Disorders

Sep 15, 2019 by in Dermatology Comments Off on Other Papulosquamous Disorders

Abstract The parapsoriasis group of skin disorders includes small and large plaque parapsoriasis, with some clinicians extending the spectrum of T-cell related disorders to include acute and chronic forms of…

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Irritant Contact Dermatitis

Sep 15, 2019 by in Dermatology Comments Off on Irritant Contact Dermatitis

Abstract Irritant contact dermatitis (ICD) represents one of the most common dermatoses and it is caused by an incredibly diverse source of provocative agents. Determination of the inciting irritant or…

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Erythroderma

Sep 15, 2019 by in Dermatology Comments Off on Erythroderma

Abstract From a diagnostic and therapeutic perspective, erythroderma represents one of the most challenging entities within dermatology. This is due in part to the large number of disorders that can…

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