Revista Espanola de Enfermedades Digestivas 2020-Apr
Ultrasound findings in an abdominal crisis of a patient with hereditary angioedema.
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Abstract
ereditary Angioedema (HAE) is a rare autosomal-dominant disease caused by serum C1 inhibitor deficiency. This deficiency leads to an up-regulation of complement, activating the bradykinin pathway and causing vascular permeability and subsequent mucosal edema. Abdominal angioedema is a less recognized type of angioedema and the clinical signs may range from subtle, diffuse abdominal pain and nausea, to overt peritonitis. We describe one case of abdominal angioedema in a patient with known HAE that were diagnosed by ultrasound.