WebUrticaria consists of migratory, well-circumscribed, erythematous, pruritic plaques on the skin. Urticaria also may be accompanied by angioedema , which results from mast cell … Web2 hours ago · When an allergic reaction to heparin occurs, it usually takes the form of delayed-type hypersensitivity (DTH), which causes a red, itchy rash at the injection site. Heparin-induced thrombocytopenia can cause a condition known as “circumscribed skin necrosis,” which should be considered as a possible alternative diagnosis.

Common Pigmentation Disorders AAFP

WebCircumscribed Morphea. With circumscribed morphea (another name for discolored patches of skin), you may have a single oval patch or you may see a few patches of morphea. The patches vary in size and typically have a red border and a thickened pale-yellow center. These lesions can enlarge when active and then flatten and become … WebMay 20, 2024 · The rash associated with monkeypox involves vesicles or pustules that are deep-seated, firm or hard, and well-circumscribed; the lesions may umbilicate or become confluent and progress over time to scabs. cindy blair byu

Photosensitivity diseases: a review of sun-exposed skin rashes

WebJan 15, 2009 · Solar lentigines (i.e., liver spots) are macular, 1- to 3-cm, hyperpigmented, well-circumscribed lesions on sun-exposed surfaces of the skin. They vary in color from light yellow to dark brown ... WebJan 15, 2024 · Noninfectious penile lesions are classified by clinical presentation as papulosquamous (e.g., psoriasis), inflammatory (e.g., lichen sclerosus, lichen nitidus, lichen planus), vascular (e.g ... WebIrregular annular rash with peripheral scale; Acute forms of tinea may also have follicular pustules; Tinea corporis — trunk, limbs; Tinea cruris — groin; Tinea pedis — feet; Tinea … cindy blackwell boozer