Introduction:

angioedemas are a frequent cause of consultation in allergology. A small number of cases imply a diagnostic and therapeutic challenge and involve transfusion medicine.

Objective:

to outline the clinical presentation and handling of a patient with hereditary angioedema.

Method:

presentation of the clinical case including personal and family history, as well as a description and account of the condition’s challenge with the contribution of updated scientific literature.

Results:

ways of approaching the condition in clinical, paraclinical, therapeutic and prophylactic terms, based on the study of a case.

Conclusions:

the study managed to address this rather unusual and not well known condition, with the prospect of diagnostic and therapeutic improvement for the quality of life of these patients.

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