Journal of internal medicine
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Hereditary angio-oedema (C1-inhibitor deficiency) is a disease with protean manifestations which is often misdiagnosed initially. The purpose of this study was to delineate the clinical spectrum and course of this potentially life-threatening disease. ⋯ Hereditary angio-oedema is an autosomal dominant disease with great variability of clinical expression and severity, even within a single kindred. It often goes unrecognized over years, and it may lead to death if, in case of impending airway obstruction, specific therapy is not instituted.