Internal carotid artery dissection and ischemic cerebral infarction in the setting of essential thrombocythemia

T Freilinger1, T Saam, M Duering

  • 1Department of Neurology, Ludwig-Maximilians-Universität, Klinikum Großhadern, Munich, Germany. tobias.freilinger@med.uni-muenchen.de

Insights

Cervical artery dissection (CAD) is a leading cause of stroke in young adults. This case highlights essential thrombocythemia (ET) as a potential contributing factor to CAD, suggesting a link between blood disorders and arterial events.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Hematology

Background:

  • Cervical artery dissection (CAD) is a significant cause of ischemic stroke, particularly in younger populations.
  • The precise etiology of spontaneous CAD remains incompletely understood.
  • Essential thrombocythemia (ET) is a myeloproliferative neoplasm characterized by elevated platelet counts.

Observation:

  • A young woman presented with acute ischemic stroke secondary to internal carotid artery (ICA) dissection.
  • This patient was concurrently diagnosed with essential thrombocythemia (ET).

Findings:

  • Review of existing literature identified limited cases of comorbid CAD and ET.
  • The co-occurrence suggests a potential pathophysiological link between ET and cervical artery vulnerability.
  • ET may predispose individuals to cervical artery dissection through mechanisms like altered microcirculation.

Implications:

  • Understanding the link between ET and CAD could refine stroke risk stratification in young adults.
  • Further research into the vascular effects of ET may reveal novel insights into spontaneous arterial dissections.
  • This association warrants consideration in the clinical evaluation of young stroke patients with thrombocytosis.

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