Search Results for: schonlein-henoch purpura vasculitis

Histologic Diagnosis of Inflammatory Skin Diseases

Atheroemboli

…Purpuric macules, including splinter hemorrhages, livedo reticularis, and ulceration Differential diagnosis clinical Livedo vasculitis usually is bilateral and displays signs of infarction, including hemorrhagic blisters early and white scars…

What is your diagnosis? A solitary purple papule on the arm

What is your diagnosis? A solitary purple papule on the arm

The patient A 54-year-old woman with immune thrombocytopenic purpura (ITP) referred to our dermatology department with a three-week-history of a purple-colored lesion on her right arm. The patient was on treatment with oral prednisone at 20 mg/day…

Differential Diagnosis in Dermatopathology

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…Lichenoid purpura (of Gougerot and Blum) Mycosis fungoides (plaque stage)…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Lichenoid purpura (of Gougerot and Blum) Mycosis fungoides (plaque stage) 1. Epidermis usually normal or slightly acanthotic 1. Epidermis often psoriasiform 2. No lymphocytes disposed as solitary units in the epidermal basal layer 2. Lymphocytes…

Differential Diagnosis in Dermatopathology

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…or the terms “senile lentigo,” “senile comedones,” “senile keratoses,” and “senile purpura;” all of those result from the effects of rays for long of ultraviolet light. “Senile” in every…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphocytoma cutis

…as that of tattoos Simulators of T-cell lymphoma, e.g., Lymphomatoid drug eruption Lymphomatoid contact dermatitis Lichenoid purpura of Gougerot and Blum Various inflammatory diseases episodically, as dissimilar as psoriasis and dermatophytosis…

Differential Diagnosis in Dermatopathology

Discussions

…s lichen planus and discoid lupus erythematosus (for example, lichenoid photodermatitis, lichenoid drug eruptions, lichenoid purpura of Gougerot and Blum, and lichen planus-like keratosis), only lichenoid discoid lupus erythematosus is typified by a…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen sclerosus et atrophicus

…macules become white papules that often progress to whitish plaques associated often with telangiectasias and sometimes with purpura; resolving as white atrophic patches. Variations clinical Balanitis xerotica obliterans is lichen sclerosus et…

Histologic Diagnosis of Inflammatory Skin Diseases

Cytomegalic inclusion disease

…s, and papules that come into being by the addition of slight edema and a moderately dense infiltrate of inflammatory cells. Purpura results from extravasation of erythrocytes in the dermis. Differential diagnosis histopathologic None exists….