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["Idiopathic" white atrophy].

M D Tran1, P A Bécherel, N Cordel

  • 1Service de Médecine Interne, Groupe Hospitalier Pitié-Salpêtrière, Paris.

Annales De Dermatologie Et De Venereologie
|March 23, 2002
PubMed
Summary
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Thrombophilic abnormalities are common in livedoid vasculitis, suggesting a microcirculation thrombosis. Further research is needed to understand this condition and its causes.

Area of Science:

  • Vascular Biology
  • Hematology
  • Dermatology

Context:

  • Livedoid vasculitis is a rare vascular disorder.
  • Idiopathic cases often lack clear underlying causes.
  • Thrombotic events are implicated in its pathogenesis.

Purpose:

  • To investigate thrombogenic biological abnormalities in patients with idiopathic livedoid vasculitis.
  • To identify potential causes of microcirculation thrombosis in the skin.

Summary:

  • A study evaluated 21 patients with livedoid vasculitis, focusing on 11 idiopathic cases.
  • Over 64% of idiopathic cases exhibited thrombophilic states, including antiphospholipid antibodies, increased platelet aggregation, cryofibrinogen, reduced antithrombin III, and Factor V mutation.
  • While treatments like antiplatelets and anticoagulants showed some efficacy, remission was not consistently linked to identified thrombophilic abnormalities.

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Impact:

  • Identifies frequent thrombophilic abnormalities in idiopathic livedoid vasculitis.
  • Highlights the role of microcirculation thrombosis in the condition's presentation.
  • Underscores the need for further research into the pathophysiology of microcirculation thrombosis.