Search Results for: urtica

A Clinical Atlas of 101 Common Skin Diseases

Pruritic Urticarial Papules and Plaques of Pregnancy

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An inflammatory process in pregnant women near term that consists of urticarial papules and plaques, especially on the trunk and particularly in association with lesions of striae atrophicantes, the lesions disappearing shortly after parturition.

A Clinical Atlas of 101 Common Skin Diseases

Urticaria

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An inflammatory process that consists of transient, slightly erythematous, edematous papules and plaques characterized by a pseudopod-like border.

A Clinical Atlas of 101 Common Skin Diseases

Urticaria Pigmentosa

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A benign neoplastic process of mast cells.

A Clinical Atlas of 101 Common Skin Diseases

Urticaria

An inflammatory process that consists of transient, slightly erythematous, edematous papules and plaques characterized by a pseudopod-like border. They may be of either allergic or non-allergic cause, among the former being ingestants, injectants,…

Differential Diagnosis in Dermatopathology

Urticarial reaction to an arthropod assault vs. Urtica

An inflammatory process that consists of transient, slightly erythematous, edematous papules and plaques characterized by a pseudopod-like border. They may be of either allergic or non-allergic cause, among the former being ingestants, injectants,…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…in the wall of venules in urtica, unlike the situation in lesions developed fully of leukocytoclastic vasculitis. In brief, urtica is unrelated to urticarial (leukocytoclastic) vasculitis. 10.111.3A: Perivascular and interstitial dermatitis,…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…they destroy the normal pattern of collagen bundles in the papillary dermis, heal inevitably with a scar. Figure 3.37 Ulcer. URTICA [L. urtica (stinging nettle)]: Evanescent pink papule or plaque that often has pseudopods at its periphery and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Acute and Chronic Urticaria?

…ses. Episodes of urticaria/angioedema persisting beyond 6 weeks are considered chronic and most likely represent idiophathic urticaria or urticaria that is autoimmune.” Soter NA, Kaplan AP. Urticaria and angioedema. In: Freedberg IM, Eisen AZ,…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…phils around venules and of those granulocytes in the interstitium of the reticular dermis; there is no relationship between urticaria and urticarial vasculitis, the latter simply being an edematous, nonpurpuric papular expression of…

Histologic Diagnosis of Inflammatory Skin Diseases

Urticaria

…cytoclastic vasculitis, dermatitis herpetiformis, bullous pemphigoid, and insect “bite,” and not the findings of urtica. Urticaria is analogous to other inflammatory processes in the skin that can be diagnosed with precision, clinically…

Differential Diagnosis in Dermatopathology

Discussions

…d, is a condition of hives. A “bite” by an insect may induce a lesion that resembles a hive clinically, but only urtica is a true hive. Urticarial lesions develop in a number of conditions other that brought about by the…