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A Clinical Atlas of 101 Common Skin Diseases

Borreliosis (Lyme Disease)

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An inflammatory disease caused by the spirochete Borrelia burgdorferi that manifests itself in the skin as erythematous lesions with figurate shapes, e.g., (round, ellipsoid, and arcuate) (erythema chronicum migrans), pseudolymphomatous nodules (lymphadenosis benigna cutis), and acral patches and plaques that in time become atrophic (acrodermatitis chronica atrophicans).

A Clinical Atlas of 101 Common Skin Diseases

Darier’s Disease

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A genetically determined disorder in which numerous closely set keratotic papules are present on the skin, especially the trunk, in nail units, and on mucous membranes, particularly the palate, but also rarely in other parts of the gastrointestinal tract.

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibroma

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An inflammatory process that develops secondary to trauma, usually in the form of a penetrating injury or rupture of a follicle, and that proceeds through stages of granulation tissue with numerous extravasated erythrocytes, granulomatous inflammation, and fibrosis.

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibrosarcoma Protuberans

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A malignant nonepithelial neoplasm (a sarcoma) presumably of perineural fibrocytes that presents itself usually on the trunk, but sometimes elsewhere, such as the extremities, face, and scalp.

A Clinical Atlas of 101 Common Skin Diseases

Extramammary Paget’s Disease and Mammary Paget’s Disease

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Extramammary Paget’s disease is an apocrine carcinoma that begins within the epidermis and presents itself clinically as a patch or a subtle plaque that extends centrifugally for many years before becoming a readily discernible thick plaque, a finding that signifies involvement by the carcinoma of the dermis, too.

A Clinical Atlas of 101 Common Skin Diseases

Grover’s Disease

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An inflammatory process characterized by a pruritic, papular, and, uncommonly, papulovesicular eruption of unknown cause affecting persons over 40 years of age (and usually over 60), often in photodistribution, but sometimes widespread.

A Clinical Atlas of 101 Common Skin Diseases

Hailey-Hailey Disease

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A vesiculobullous disease in which blisters tend to be flaccid and localized to intertriginous regions, especially, the neck, axillary, inframammary, and inguinal ones.

A Clinical Atlas of 101 Common Skin Diseases

Mucha-Habermann Disease

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An inflammatory process in which lesions may erupt (pityriasis lichenoides et varioliformis acuta) and evolve rapidly from erythematous macules and papules to become purpuric papules, papulovesicles that may be hemorrhagic, ulcers, eschars, and, eventually, scars.

A Clinical Atlas of 101 Common Skin Diseases

Neurofibromatosis

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A constellation of lesions that represent disorders of melanocytes (e.g., axillary "freckles" and café au lait "spots") and of proliferations of Schwann cells (e.g., papules, nodules, and tumors of neurofibroma).

A Clinical Atlas of 101 Common Skin Diseases

Pruritic Urticarial Papules and Plaques of Pregnancy

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An inflammatory process in pregnant women near term that consists of urticarial papules and plaques, especially on the trunk and particularly in association with lesions of striae atrophicantes, the lesions disappearing shortly after parturition.

A Clinical Atlas of 101 Common Skin Diseases

Extramammary Paget’s Disease and Mammary Paget’s Disease

Extramammary Paget’s disease is an apocrine carcinoma that begins within the epidermis and presents itself clinically as a patch or a subtle plaque that extends centrifugally for many years before becoming a readily discernible thick plaque, a…

A Clinical Atlas of 101 Common Skin Diseases

Mucha-Habermann Disease

An inflammatory process in which lesions may erupt (pityriasis lichenoides et varioliformis acuta) and evolve rapidly from erythematous macules and papules to become purpuric papules, papulovesicles that may be hemorrhagic, ulcers, eschars, and, eve…

A Clinical Atlas of 101 Common Skin Diseases

Hailey-Hailey Disease

…ally, the neck, axillary, inframammary, and inguinal ones. The disease is notoriously refractory to therapy. The name originally given to the condition by the brothers Hailey, familial benign chronic pemphigus, is misleading because the disease bears…

A Clinical Atlas of 101 Common Skin Diseases

Grover’s Disease

…a pruritic, papular, and, uncommonly, papulovesicular eruption of unknown cause affecting persons over 40 years of age (and usually over 60), often in photodistribution, but sometimes widespread. Although named originally “transient acantholyti…

A Clinical Atlas of 101 Common Skin Diseases

Darier’s Disease

A genetically determined disorder in which numerous closely set keratotic papules are present on the skin, especially the trunk, in nail units, and on mucous membranes, particularly the palate, but also rarely in other parts of the gastrointestinal…

A Clinical Atlas of 101 Common Skin Diseases

Folliculitis (Infundibulitis) and Pseudofolliculitis (Pseudoinfundibulitis)

…involves infundibula, is either noninfectious, as in the case of pustules of acne vulgaris, or infectious, as in the case of pustules caused by Staphylococcus aureus. In contrast, pseudoinfundibulitis is a foreign-body type of inflammatory process t…

A Clinical Atlas of 101 Common Skin Diseases

Borreliosis (Lyme Disease)

An inflammatory disease caused by the spirochete Borrelia burgdorferi that manifests itself in the skin as erythematous lesions with figurate shapes, e.g., (round, ellipsoid, and arcuate) (erythema chronicum migrans), pseudolymphomatous nodules (lym…

Therapeutic Strategies in Dermatology

Superficial Fungal Infections: Therapy: Pityrosporum folliculitis

Therapy: Pityrosporum folliculitis Occasionally the organism causing TV, or its relative pityrosporum orbiculare, will cause a folliculitis without the typical dermatitis of TV. In most individuals, who are typically young adults, this infection is…

Therapeutic Strategies in Dermatology

Non-Melanoma Skin Cancers (NMSC): Basal Cell Carcinoma (BCC) and Squamous Cell Carcinoma (SCC): Non-Melanoma Skin Cancers (NMSC): Basal Cell Carcinoma (BCC) and Squamous Cell Carcinoma (SCC) – Initial Evaluation–Bowen’s Disease (Squamous Cell Carcinoma in Situ) – genprac

…penis. It bears several clinical features: Untreated, Bowen’s disease may progress to invasive squamous cell carcinoma. Bowen’s disease may occur on sun-exposed sites, on extragenital sites where actinic lesions are rare (palms, trunks of persons wi…

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