Caudate infarcts and hemorrhages

Michele Pellizzaro Venti1, Maurizio Paciaroni, Valeria Caso

  • 1Stroke Unit and Division of Internal and Cardiovascular Medicine, University of Perugia, Perugia, Italy. michelepellizzaroventi@live.it

Insights

Strokes affecting the caudate nucleus (CN), whether hemorrhagic or ischemic, can cause various neurological symptoms. Fortunately, research indicates that vascular pathologies of the CN generally have favorable outcomes.

Area of Science:

  • Neuroscience
  • Neurology
  • Vascular Neurology

Background:

  • The caudate nucleus (CN) is a key brain structure with distinct anatomical parts: head, body, and tail.
  • The head of the CN plays a role in forming the lateral ventricle's frontal horn and is situated near the thalamus and corpus callosum.
  • CN strokes are categorized as either hemorrhagic or ischemic.

Purpose of the Study:

  • To summarize the anatomical location and clinical manifestations of caudate nucleus strokes.
  • To review the typical clinical presentations and outcomes associated with CN vascular pathologies.

Main Methods:

  • Review of existing literature on caudate nucleus vascular pathologies.
  • Analysis of clinical features associated with both hemorrhagic and ischemic CN strokes.
  • Examination of reported patient outcomes for CN stroke cases.

Main Results:

  • Caudate nucleus hemorrhage can present with symptoms similar to subarachnoid hemorrhage.
  • Both ischemic and hemorrhagic CN strokes may lead to behavioral changes, dysarthria, movement disorders, language deficits, and memory loss.
  • Studies examining vascular CN pathologies predominantly report good patient outcomes.

Conclusions:

  • Caudate nucleus strokes present with a range of neurological deficits.
  • Despite diverse clinical presentations, vascular pathologies of the caudate nucleus are often associated with positive prognoses.

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