" /> Angioedema, hereditary, 1 - CISMeF





Preferred Label : Angioedema, hereditary, 1;

Symbol : HAE1;

CISMeF acronym : HAE1; HAE2; HANE;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Angioneurotic edema, hereditary; C1 esterase inhibitor deficiency; HANE; Angioedema, hereditary, type I;

Included titles and symbols : Angioedema, hereditary, type II; HAE2; Angioedema, hereditary, 2;

Description : Hereditary angioedema (HAE) is an autosomal dominant disorder characterized by episodic local subcutaneous edema and submucosal edema involving the upper respiratory and gastrointestinal tracts. There are 2 classic types of the disorder. In type I, representing 85% of patients, serum levels of C1NH are less than 35% of normal (Cicardi and Agostoni, 1996; Bowen et al., 2001). In type II, the levels are normal or elevated, but the protein is nonfunctional. The 2 types are clinically indistinguishable. See 300145 for a discussion of angioedema induced by ACE inhibitors. Zuraw (2008) provided a detailed review of the clinical features, management, and pathogenesis of hereditary angioedema.;

Inheritance : Autosomal dominant; Autosomal recessive;

Molecular basis : Caused by mutation in the C1 esterase inhibitor gene (C1NH, 106100.0001);

Laboratory abnormalities : C1 esterase inhibitor deficiency; Low level of C4 and C2;

Prefixed ID : #106100;

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28/04/2025


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