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Allergy Asthma Clin Immunol


Review of the Manitoba cohort of patients with hereditary angioedema with normal C1 inhibitor.


McKibbin L, Barber C, Kalicinsky C, Warrington R
Allergy Asthma Clin Immunol. 2019; 15:66.
PMID: 31749860.


Hereditary angioedema with normal C1 inhibitor (HAE-nC1 INH) is a rare, underappreciated condition characterized by recurrent subcutaneous angioedema. The underlying pathophysiology and diagnostic criteria continues to evolve. There is a significant overlap between HAE-nC1 INH and idiopathic nonhistaminergic angioedema, ultimately this may be found to be the same condition. Characterization of cohorts suspected to have either of these conditions is warranted to help refine diagnosis, pathophysiology, and treatment response.