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A Clinical Atlas of 101 Common Skin Diseases


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A condition in which deposits of a fibrillary protein (amyloid) appear in the skin as macules, papules, and nodules consequent to the effects of local factors, or as patches (which may be purpuric), plaques, nodules, and tumors as a result of a systemic disease like myeloma.

A Clinical Atlas of 101 Common Skin Diseases

Bullous Pemphigoid and Herpes Gestationis

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An inflammatory disease of older people; signs include widespread erythematous macules and patches, urticarial papules and plaques, and vesicles and bullae, the blisters often arising on urticarial plaques.

A Clinical Atlas of 101 Common Skin Diseases


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An inflammatory disease caused by the yeast Candida albicans and manifested clinically as erythematous papules and pustules that may become confluent to form plaques in the case of the former and erosions in the case of the latter.

A Clinical Atlas of 101 Common Skin Diseases

Dyshidrotic Dermatitis

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A pruritic papular and vesicular inflammatory process of unknown cause that tends to affect the sides of fingers and toes, as well as palms and soles.

A Clinical Atlas of 101 Common Skin Diseases

Epidermal Nevi

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Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines.

A Clinical Atlas of 101 Common Skin Diseases

Epidermolysis Bullosa

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A constellation of unrelated blistering diseases, many of them determined genetically but some of them not, that involve skin and sometimes mucous membranes, the blisters often developing after trauma and sometimes resulting in scarring and deformity.

A Clinical Atlas of 101 Common Skin Diseases

Lichen Nitidus

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A granulomatous inflammatory process characterized clinically by closely-set, tiny, hypopigmented papules that have a predilection for the trunk, dorsa of the hands and sides of the finger, and the penis of children and young adults especially.

A Clinical Atlas of 101 Common Skin Diseases

Lymphomatoid Papulosis

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A distinctive type of CD 30 lymphoma characterized by the presence mostly of papules, some of them purpuric, that may ulcerate and heal with a scar, and by lesions that tend to come and go for years, eventually disappearing entirely or, on occasion, becoming nodular and even tumorous, which is an indication of likelihood of detectable lymphomatous involvement of some organs besides the skin.

A Clinical Atlas of 101 Common Skin Diseases

Mycosis Fungoides

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A systemic lymphoma of T-lymphocytes that manifests itself first in the skin as macules and then patches that often are scaly.

A Clinical Atlas of 101 Common Skin Diseases

Necrobiosis Lipoidica

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A granulomatous inflammatory process characterized clinically by patches that become yellowish plaques and that in time resolve with atrophy and telangiectases.

A Clinical Atlas of 101 Common Skin Diseases


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An inflammatory (granulomatous) process that involves, among other organs, the lungs, lymph nodes, and skin, and the latter in the form usually of papules, sometimes in arcuate and annular configuration, especially on a face, but also on the extremities, and often in pre-existing scars.

A Clinical Atlas of 101 Common Skin Diseases

Scars, Keloids, and Anetodermas

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A type of fibrosing inflammation characterized clinically by lesions that at first are elevated and that do not extend beyond the exact site of injury and that in time tend to shrink, sometimes even becoming atrophic.

A Clinical Atlas of 101 Common Skin Diseases


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A fibrosing inflammatory process characterized by papular, plaque-like, nodular, and tumorous lesions that extend well beyond the exact site of injury and that in time tend to shrink somewhat, but never greatly.

Therapeutic Strategies in Dermatology

Leprosy/Hansen’s Disease and Reactional States: Overview

…and may progress to complete bowel obstruction. Treatment of reactions Do not reduce or discontinue effective antibacillary therapy during reactions if at all possible. For mild reactions, aspirin and symptomatic measures may be adequate. Severe re…

Therapeutic Strategies in Dermatology

Drug Eruptions: Therapy

Therapy First-line therapy: Prompt identification and discontinuation of the offending agent is an essential first step. In most cases, the cutaneous reaction will resolve in 2-5 days without therapy; patients may continue to get new lesions during…

Therapeutic Strategies in Dermatology

Spider Bites: Key Points

…d tissue necrosis in severe cases. Systemic symptoms and fatal reactions are rare. Loxoscelism is the condition resulting from the bite of a recluse spider (genus Loxosceles). Toxins of Loxosceles spiders are largely cytotoxic (dermonecrotic). Local…

Therapeutic Strategies in Dermatology

Stings: Treatment

…ate 10% solution, 10 ml may benefit patients with severe toxic reactions. This should be given in a hospital setting. Infusions may need to be repeated at 1- to 4-hour intervals. Allergic reactions Local exaggerated reactions First-line therapy: Tr…

Therapeutic Strategies in Dermatology

Photosensitivity Dermatoses: Overview

…photosensitive eczema, actinic reticuloid and persistent light reaction). Photosensitivity dermatoses are caused either by an exogenous substance (either topical or systemic), or are idiopathic. These conditions initially present on sun-exposed skin,…

Therapeutic Strategies in Dermatology

Papular Urticaria: Overview

…ndent of the inciting organism. The therapeutic strategy is to identify and eliminate the arthropod source and to then suppress the resultant inflammatory reaction. Treatment First Steps The most difficult step in therapy is identifying the offending…

Therapeutic Strategies in Dermatology

Warts: Treatment

Treatment First-line therapy: The first-line therapy for warts involves destructive methods tailored to the type of wart. Destruction of wart lesions may be accomplished using cryosurgical or electrosurgical techniques, chemical destruction either…

Therapeutic Strategies in Dermatology

Allergic Contact Dermatitis: Key Points

…ayed-type hypersensitivity (DTH), or Type IV hypersensitivity, reaction to an allergen. Treatment necessitates avoidance of the allergen, and often requires topical corticosteroids to reduce inflammation. Identifying allergens underlying a contact de…

Therapeutic Strategies in Dermatology

Erythema Annulare Centrifugum: Overview

Gyrate Erythemas, Figurate Erythemas, and Migratory Erythemas Gyrate erythemas are reactive processes. The therapeutic strategy is to determine and treat the underlying cause, and the cutaneous reaction is then cured. Underlying malignancy; dermatop…

Therapeutic Strategies in Dermatology

Stings: Key Points

…hornets, and ants. Hymenoptera stings cause toxic and allergic reactions that present across a broad clinical spectrum: from mild, localized reactions to severe, systemic, and potentially fatal reactions. The clinical presentation is determined by bo…

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