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A Clinical Atlas of 101 Common Skin Diseases

Allergic (Leukocytoclastic) Vasculitis

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A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat.

A Clinical Atlas of 101 Common Skin Diseases

Livedo Vasculitis and Livedo Reticularis

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A type of small-vessel vasculitis (venulitis) of the skin, occurring especially in the vicinity of the ankle, characterized at first by purpuric macules and patches that, in time, may become hemorrhagic blisters that ulcerate and heal with white, stellate scars (atrophie blanche).

A Clinical Atlas of 101 Common Skin Diseases

Nodular Vasculitis

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An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women.

A Clinical Atlas of 101 Common Skin Diseases

Septic Vasculitis

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A small-vessel vasculitis characterized clinically by vesiculopustules on an erythematous base, purpuric macules and papules, and hemorrhagic bullae, and histopathologically by thrombi within venules, a consequence of sepsis.

A Clinical Atlas of 101 Common Skin Diseases

Allergic (Leukocytoclastic) Vasculitis

A systemic inflammatory process involving venules by deposits of fibrin within their wall in conjunction with neutrophils and nuclear “dust” of neutrophils in the dermis and, at times, the subcutaneous fat. The clinical manifestations ar…

A Clinical Atlas of 101 Common Skin Diseases

Livedo Vasculitis and Livedo Reticularis

A type of small-vessel vasculitis (venulitis) of the skin, occurring especially in the vicinity of the ankle, characterized at first by purpuric macules and patches that, in time, may become hemorrhagic blisters that ulcerate and heal with white, st…

A Clinical Atlas of 101 Common Skin Diseases

Septic Vasculitis

A small-vessel vasculitis characterized clinically by vesiculopustules on an erythematous base, purpuric macules and papules, and hemorrhagic bullae, and histopathologically by thrombi within venules, a consequence of sepsis….

A Clinical Atlas of 101 Common Skin Diseases

Nodular Vasculitis

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Therapeutic Strategies in Dermatology

Livedo Vasculitis/Livedo Reticularis/Atrophie Blanche

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Therapeutic Strategies in Dermatology

Leukocytoclastic Vasculitis

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Therapeutic Strategies in Dermatology

Erythema Elevatum Diutinum: Key Points

Erythema elevatum diutinum (EED) is a rare chronic form of fibrosing vasculitis. Firm, red to brown or violaceous nodular lesions developing over joints of the elbows, knees, hands, and feet, often in a symmetric pattern, is the hallmark cutaneous…

Therapeutic Strategies in Dermatology

Sweet’s Syndrome (Acute Febrile Neutrophil Dermatosis): Key Points

…ul erythematous or violaceous plaques or nodules Predominantly neutrophilic infiltration in the dermis without leukocytoclastic vasculitis Minor criteria: Preceding fever or infection Accompanying fever, arthralgia, conjunctivitis, or underlying ma…

Therapeutic Strategies in Dermatology

Leukocytoclastic Vasculitis: Key Points

  Leukocytoclastic vasculitis (LCV) represents inflammation of small vessels in the skin stemming from immune complex deposition. Clinically, LCV presents with an eruption of palpable monomorphous purpuric papules, which may have central vesic…

Therapeutic Strategies in Dermatology

Livedo Vasculitis/Livedo Reticularis/Atrophie Blanche: Overview

Atrophie Blanche, Livedoid Vasculitis – Segmental, and Hyalinizing Vasculitis – Summer/Winter Ulcerations This group of terms applies to a condition affecting primarily the lower extremities resulting in ulceration. Affected patients are…

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