Diagnosis of Hereditary Angioedema (HAE)

Angioedema, also known as Quincke edema or “angioneurotic edema”, is defined as the localized nonpitting edema of deep dermal, subcutaneous, or submucosal tissues resulting from the increase in vascular permeability and extravasation of intravascular fluids; although it can coincide with urticaria in a histamine-mediated process, a differentiating feature is that urticarial wheals are limited to the mid and papillary dermis. Continue reading