Swelling of the quinck what is this photo

Quinck edema - angioedema limited edema of tissues,arising in the violation of vasomotor innervation. The symptomatology of the disease is reduced to periodically arising limited edema of the skin and subcutaneous tissue or mucous membranes, protruding above surrounding tissues. Sometimes swelling looks pale, sometimes on the contrary - they are redder than healthy tissues. Itching, as a rule, is not observed. Swelling can appear simultaneously in different parts of the body and usually disappear quickly, but sometimes can last for several hours, and in some cases up to several days. Edema can occur on a limited area of ​​the limb or grab it entirely, spread to half or all of the face, the scrotum, and sometimes the entire body. Most often, edema is found on the lips, cheeks, eyelids, mucous membranes of the oral cavity, genital organs. The most dangerous is the laryngeal edema, which can lead to blockage of the airways. Edema of the tongue is not observed often, but can be so severe that it leads to death as a result of suffocation. Edema can be localized in the tongue, in the soft palate and give a picture of the groats.

Depending on the nature of the occurrence,two types of Quincke edema: allergic and pseudoallergic (hereditary angioedema). Quincke's allergic edema, like other allergic diseases, develops as a result of the body's response to the penetration of a specific allergen; the disease is often combined with bronchial asthma, food allergy, and pollinosis. Hereditary angioedema is a rare genetic disease associated with the deficiency of the C1 inhibitor of the complement system.