The development of urticaria is primarily thought to occur via an allergic or autoimmune pathway. Allergens or recognition of self-antigens by IgE results in the activation of mast cells and basophils ...
Herpes gestationis (HG) Abdominal urticarial lesions may be clinically indistinguishable from the lesions seen in women who have PUPP, though in HG, bullae and larger vesicles are common. Lesions can ...
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