Search Results for: infiltrate

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Histologic Diagnosis of Inflammatory Skin Diseases

Erythema multiforme

…s in others they are involved but only slightly. Histopathologically, flaccid blisters often are accompanied by such a scant infiltrate of lymphocytes that, at scanning magnification, the dermis seems to be devoid of inflammatory cells. In contrast,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Vasculitis?

…ch on histopathological examination have evidence of a lymphocytic vasculitis; that is, there is a predominately lymphocytic infiltrate involving and surrounding the walls of small vessels in the dermis.” Weedon D. Skin Pathology. New York:…

Histologic Diagnosis of Inflammatory Skin Diseases

Interstitial granulomatous dermatitis with arthritis

…center of which is abundant mucin, unlike the situation in interstitial granulomatous dermatitis with arthritis in which the infiltrate in the subcutaneous tissue is distributed interstitially and deposits of mucin, if present at all, are…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…s, granulomatous + 10.38.8B: Squames, some of them in company with cholesterol clefts, and hairs situated in a dense diffuse infiltrate of histiocytes mostly = Foreign body reaction to ruptured infundibular cyst Sebaceous secretion is transported…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…d lymphocytes. 10.29.2A: Vesicular dermatitis, subepidermal, neutrophils prominent + 10.29.2B: Perivascular and interstitial infiltrates of lymphocytes and neutrophils = Erysipelas The infiltrate of inflammatory cells in the section pictured is…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema nodosum

…ostly in lobules themselves, where, paradoxically, they often assume a tuberculoid, rather than a sarcoidal, appearance, the infiltrate of lymphocytes around granulomas being dense rather than sparse. Episodically, the infiltrate of inflammatory…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…specimen was taken suffered from AIDS. 10.27.5A: Pustular dermatitis, infundibular + 10.27.5B: Perivascular and interstitial infiltrate containing numerous eosinophils = Eosinophilic pustular folliculitis/papular eruption of HIV The scale-crust is…

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