We describe a case of recurrent oropharyngeal angioedema in a 16-year-old boy with a history of sickle cell disease and thrombocytopenia and with no family history of angioedema. Emergency treatment of angioedema with C1-esterase inhibitor (C1-INH) provided immediate relief, avoiding the placement of a surgical airway. Further evaluation has shown C1-INH to be normal in quantity and function, with normal complement studies during acute attacks. Genetic testing revealed no abnormality in the factor XII gene. Our case exemplifies that even in cases of sporadic angioedema, treatment with C1-INH may be an effective and life-saving management strategy.
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| http://dx.doi.org/10.1136/bcr-2013-009616 | DOI Listing |
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