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A Clinical Atlas of 101 Common Skin Diseases

Allergic Contact Dermatitis

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Allergic contact dermatitis is an inflammatory process induced by direct contact of the skin of a sensitized individual to an allergen.

A Clinical Atlas of 101 Common Skin Diseases

Chondrodermatitis Nodularis Helicis

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A papule, sometimes eroded, ulcerated, crusted, or keratotic, on a helix or antehelix consequent to the effects of persistent trauma.

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

Candidiasis

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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

Cysts and Cystic Hamartomas

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Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated with other epithelial elements of adnexa in the case of cystic hamartomas.