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[Angioedema: differential diagnosis].

David Launay1

  • 1Université de Lille, faculté de médecine, 59045 Lille cedex, France; CHRU de Lille, hôpital Claude-Huriez, Centre national de référence de la sclérodermie systémique, service de médecine interne, 59037 Lille cedex, France; EA2686, 59000 Lille, France; Centre national de référence des angiœdèmes à kinine (CREAK), 38700 La Tronche, France.

Presse Medicale (Paris, France : 1983)
|December 24, 2014
PubMed
Summary
This summary is machine-generated.

Angioedema (AO) is a rapid, localized swelling. Differentiating between bradykinic and histaminic AO is crucial, especially when symptoms are atypical or treatment-resistant.

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Area of Science:

  • Clinical Medicine
  • Dermatology
  • Immunology

Context:

  • Angioedema (AO) presents as rapid, localized swelling in deep dermal or subcutaneous tissues.
  • Key characteristics include rapid onset, non-pruritic nature, circumscribed presentation, and transient duration without sequelae.
  • Distinguishing AO from other edematous conditions is essential for accurate diagnosis and management.

Purpose:

  • To define the clinical syndrome of angioedema (AO).
  • To outline diagnostic criteria for AO, emphasizing its distinct characteristics.
  • To guide the differential diagnosis process, particularly in complex or atypical cases.

Summary:

  • Angioedema is characterized by rapid, localized, non-pruritic, circumscribed, and transient swelling.
  • Accurate diagnosis of AO must precede mechanistic characterization (bradykinic vs. histaminic).
  • Misleading differential diagnoses include generalized edema with localized predominance and permanent localized edema with fluctuations.
  • Unusual evolution or treatment resistance warrants questioning the AO diagnosis and considering alternative diagnoses.

Impact:

  • Provides a clear definition and diagnostic framework for angioedema.
  • Highlights the importance of distinguishing AO from other conditions with similar presentations.
  • Aims to reduce misdiagnosis and overdiagnosis, particularly of rare hereditary forms versus more common histaminic forms.