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Pericardiac effusion complicating an acute abdominal attack of hereditary angioneurotic edema

Peter Altorjai, Beata Visy, Zsuzsa Kormos, George Harmat, Ferenc Fekete, Henriette Farkas

Am J Case Rep 2008; 9:233-236

ID: 855034

Background: Hereditary angioneurotic edema is characterized by recurrent paroxysms of edema formation involving subcutaneous tissues, as well as the mucosal membrane of the larynx or the gastrointestinal tract.
Case Report: This case report describes edema formation in an uncommon location. A 16-years-old patient developed an acute abdominal attack of hereditary angioneurotic edema, complicated by the appearance of a slit-shaped pericardial effusion. Although hemodynamically insignifi cant, the effusion was evident upon physical examination and was accompanied by ECG changes; however, it resolved completely after C1-inhibitor substitution.
Conclusions: This finding should prompt for extended search after uncommon abnormalities using noninvasive diagnostic modalities available.

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