Search Results for: urticaria

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Perivasculitis?

“Pruritic urticarial papules and plaques of pregnancy (PUPPP) was recently defined as an intensely pruritic cutaneous eruption occurring in the third trimester. . . . The overall picture was nonspecific and ranged from one suggestive of eryth…

Dermatology Practical & Conceptual

Widespread pruritic papules on the trunk and extremities

…with pruritic disorders, including lichen planus and chronic urticaria in two reported cases, suggests that pruritus is a precipitating factor in generalized LA [2,3]. Compared with those cases, there was no history of a previous skin disorder in ou…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Toxic Erythema?

…erythemas.” Odom RB, James WD, Berger TG. Erythema and urticaria. In: Odom RB, James WD, Berger TG, eds. Andrews’ Diseases of the Skin, 9th ed. Philadelphia: WB Saunders Company, 2000:146. “Toxic erythema, annular erythema and gyra…

Differential Diagnosis in Dermatopathology

Images

Urticaria Urticarial lesions of bullous pemphigoid…

Histologic Diagnosis of Inflammatory Skin Diseases

Sweet’s syndrome

…sites exposed to sunlight, especially the face and forearms. Urticaria is typified by evanescent, pruritic, usually widespread lesions. Findings histopathologic Early Small nodular infiltrates of neutrophils and nuclear “dust” of neutrop…

Dermatology Practical & Conceptual

Review of Practical Dermatopathology by Ronald P. Rapini

…des (24.1) Sweet’s syndrome (3.7, usually more diffuse) Urticaria (3.1) Well’s syndrome (3.8, usually more diffuse) Intertriginous eruptions (see Axilla 1.10 or Groin 1.55)” The numbers to the right of the listed conditions refer to…

Histologic Diagnosis of Inflammatory Skin Diseases

Pityriasis rosea

…ed persons, especially Africans and African-Americans. In the urticarial variant, papules are edematous and affiliated with hardly any scale. The localized variant is cervicofacial, for example. The purpuric variant occurs mainly in children. In the…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Urticaria Urticarial lesions of bullous pemphigoid 1. Infiltrate of inflammatory cells usually sparse 1. Infiltrate of inflammatory cells usually moderately dense 2. Infiltration of inflammatory cells spares the papillary dermis and the epidermis 2…