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Classification of Sneddon's syndrome

S M Schellong1, K Weissenborn, J Niedermeyer

  • 1Department of Angiology, Hannover Medical School.

VASA. Zeitschrift Fur Gefasskrankheiten
|August 1, 1997
PubMed
Summary
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Sneddon's syndrome, characterized by livedo and strokes, is not a single disease. It can be classified into primary (no cause found) or secondary types linked to autoimmune disorders or thrombophilia.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Rheumatology

Background:

  • Sneddon's syndrome combines generalized livedo reticularis with cerebrovascular accidents.
  • Its etiology remains unknown, and patient variability questions its homogeneity.
  • This study investigates potential etiological subgroups within Sneddon's syndrome.

Purpose of the Study:

  • To determine if Sneddon's syndrome comprises distinct subgroups based on etiological factors.
  • To differentiate primary Sneddon's syndrome from secondary forms linked to specific conditions.

Main Methods:

  • Evaluated 32 patients with livedo and cerebrovascular accidents.
  • Utilized clinical exams, MRI, echocardiography, vascular ultrasound, and immunological/hemostasiological testing.
  • Grouped patients based on the presence and type of potential etiological features.

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Main Results:

  • Identified potential etiological factors in 16 of 32 patients.
  • Six patients had autoimmune disorders, six had thrombophilia, three had atherosclerosis, and one had atrial myxoma.
  • Cerebral pathology and cardiac involvement varied across patient groups.

Conclusions:

  • Sneddon's syndrome is heterogeneous, not a single disease entity.
  • Primary Sneddon's syndrome lacks identifiable etiological factors.
  • Secondary Sneddon's syndrome is associated with autoimmune disorders or thrombophilia.