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A Clinical Atlas of 101 Common Skin Diseases

Amyloidosis

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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

Amyloidosis

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 syst…

Histologic Diagnosis of Inflammatory Skin Diseases

Macular and papular (lichenoid) amyloidosis-Cutaneous solely

…Protracted Variations clinical Papular amyloidosis (lichenoid amyloidosis) represents macular amyloidosis on which lichen simplex chronicus has been imposed. Differential diagnosis clinical A similar rippled pattern is seen in keratosis lichenoides…

Therapeutic Strategies in Dermatology

Prurigo Nodularis: Overview

Overview Prurigo nodularis is a morphologic lesion that is a consequence of severe and repeated scratching of one area. In most patients it is secondary to an underlying pruritic condition such as photosensitive dermatitis, renal failure, or neuropa…

Therapeutic Strategies in Dermatology

Lichen Planus: References

References Assouly P and Reygagne P (2009) Lichen planopilaris: update on diagnosis and treatment, Semin Cutan Med Surg, 28:3-10. Asch S and G Goldenberg (2011) Systemic treatment of cutaneous lichen planus: an update, Cutis, 87:129-134. Birkenfeld…

Therapeutic Strategies in Dermatology

Viral Exanthems: Initial Evaluation

Initial Evaluation Patients with a viral exanthem often present with a non-specific morbilliform eruption. In some cases, the skin disease as part of a constellation of other symptoms may indicate a specific viral etiology. Measles German m…

Therapeutic Strategies in Dermatology

Persistent Pigmented Purpuric Dermatitis: Overview

Overview This group of diseases includes Schamberg’s disease, purpura annularis telangiectodes (of Majocchi), lichenoid pigmented purpura (of Gougerot and Blum), eczematoid purpura of Doucas and Kapetanakis (disseminated pruriginous angioderma…

Therapeutic Strategies in Dermatology

Photosensitivity Dermatoses: Overview

Photosensitive drug eruptions, polymorphous light eruption, chronic actinic dermatitis (CAD -includes the conditions previously called photosensitive eczema, actinic reticuloid and persistent light reaction). Photosensitivity dermatoses are caused e…

Therapeutic Strategies in Dermatology

Lichen Planus: Initial Evaluation

Initial Evaluation Lesions of lichen planus are marked by violaceous-to-purple flat-topped papules, often with a white-to-lavender reticulate overlying scale (Wickham’s striae). Patients report intense pruritus and sometimes koebnerization (de…

Therapeutic Strategies in Dermatology

Actinic Keratosis (a.k.a. Solar Keratosis): Key Points

Key Points Actinic keratoses (AKs) are the most common epithelial precancerous skin lesions. They present as scaly, erythematous, ill-defined papules on sun-exposed areas. A small percentage of AKs may progress to non-melanoma skin cancer (NMSC) ov…

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