Search Results for: schonlein-henoch purpura vasculitis

Histologic Diagnosis of Inflammatory Skin Diseases

Macular and papular (lichenoid) amyloidosis-Cutaneous solely

…that reason, hemorrhagic lesions that appear after injury to skin whose vessels house amyloid have been dubbed “pinch purpura.” A blister that contains extravasated erythrocytes may develop in the uppermost part of the dermis. Last,…

Histologic Diagnosis of Inflammatory Skin Diseases

Acroangiodermatitis of Mali/Stewart-Bluefarb syndrome

…rmatitis of Mali. Pyogenic granuloma is a solitary friable papule or nodule that early in its course is ulcerated. Lichenoid purpura of Gougerot and Blum, when developed fully, appears as clusters of violaceous lichenoid papules on the legs; late…

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…

Differential Diagnosis in Dermatopathology

Discussions

…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…

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

Images

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

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…

Differential Diagnosis in Dermatopathology

Lichen planus vs. Lichenoid discoid lupus erythematosus

…olves the legs especially with purpuric macules and subtle papules (Schamberg’s disease), lichenoid papules (lichenoid purpura of Gougerot-Blum), and scaly papules (eczematid-like purpura of Doucas and Kapetanakis), all of which seem to be…