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, i…

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, i…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Perivascular Dermatitis

…only, for example, neutrophils and eosinophils are dominant in urtica (Fig. 5.123 A&B), whereas lymphocytes and eosinophils predominate in a response to the assault by an arthropod (Fig. 5.124 A&B). Even in urtica, however, some lymphocytes a…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…mphocytes, eosinophils, and a few neutrophils around venules = Urtica, early ┬áThis is an early stage in the evolution of urticaria because inflammatory cells are huddled around venules; interstitial involvement by eosinophils and neutrophils is sligh…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…ary 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 blanches on diascopy (Fig. 3.38), i.e., viewing of the skin through a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Acute and Chronic Urticaria?

…sually does not have it longer than one to several days. Acute urticaria is evanescent. However, under certain circumstances, the eruption of hives may consist of exacerbations and remissions that last for weeks, months or years, i.e., urticaria reci…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…ute” and “chronic.” Error: Acute and chronic urticaria are tenable concepts. Reason: All individual lesions clinical of urtica are acute in the sense that they develop rapidly and are evanescent, and findings histopathologic in an i…

Histologic Diagnosis of Inflammatory Skin Diseases

Urticaria

Urticaria Synonyms Nettle rash Hives Wheals Presentation stereotypical Age and sex Any age, especially young persons, in both sexes Distribution of lesions Localized, as in cold urticaria, regional as in solar urticaria, or widespread as in urtica

Differential Diagnosis in Dermatopathology

Discussions

In an urticarial reaction to an assault by an arthropod and in lesions of true urtica, the infiltrate of inflammatory cells is mixed, contains at least lymphocytes and usually eosinophils, and is accompanied by extravasated erythrocytes and edema of…