Mucinoses

Sep 3, 2019 by in Dermatology Comments Off on Mucinoses

Localized cutaneous mucin deposition results in translucent pale to erythematous papules, as in digital myxoid cysts or focal cutaneous mucinosis. Papular mucinosis related to plasma cell dyscrasia with paraproteinemia causes…

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Dermatoses Resulting from Physical Factors

Sep 3, 2019 by in Dermatology Comments Off on Dermatoses Resulting from Physical Factors

This chapter catalogues many examples of how the skin reacts to the external environment from which it protects the body. Exposure to physical factors such as heat, cold, moisture, ultraviolet…

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Pruritus and Neurocutaneous Diseases

Sep 3, 2019 by in Dermatology Comments Off on Pruritus and Neurocutaneous Diseases

Pruritus often produces distinctive skin lesions, characterized by angulated borders. Endogenous diseases (in common parlance, an “inside job”) tend to produce lesions that are rounded in character, whereas exogenous caustic…

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Cutaneous Signs and Diagnosis

Sep 3, 2019 by in Dermatology Comments Off on Cutaneous Signs and Diagnosis

The astute clinician uses the appearance of the eruption and its accompanying symptoms to arrive at an accurate diagnosis. A symptom, such as itch or pain, is something that the…

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Structure and Function

Sep 3, 2019 by in Dermatology Comments Off on Structure and Function

The diagnosis of skin disease is based on color, morphology, and distribution of cutaneous lesions. The structure of the skin and associated appendages relates directly to these characteristics. Folliculitis presents…

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