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Related Experiment Videos

Rete mirabile in humans--case report

J Karasawa1, H Touho, H Ohnishi

  • 1Department of Neurosurgery, Osaka Neurological Institute.

Neurologia Medico-Chirurgica
|February 1, 1997
PubMed
Summary

Carotid rete mirabile, a rare vascular network, can cause subarachnoid hemorrhage in humans. This case study shows a good prognosis for patients with this condition.

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Area of Science:

  • Vascular Neurology
  • Comparative Anatomy

Background:

  • Carotid rete mirabile is a complex vascular network found in some vertebrates, rarely in humans.
  • This network connects the external and internal carotid arteries.

Observation:

  • A 17-year-old female presented with subarachnoid hemorrhage due to a rare carotid rete mirabile.
  • Angiography revealed abnormal arterial networks in the paracavernous region, with distal internal carotid arteries visualized through these networks.

Findings:

  • The patient experienced a subarachnoid hemorrhage attributed to the carotid rete mirabile.
  • Despite the hemorrhage, the patient experienced a favorable outcome.

Implications:

  • Human carotid rete mirabile, though rare, can lead to serious neurological events like hemorrhage.
  • The long-term prognosis for individuals with rete mirabile, even after a hemorrhage, appears to be positive.
  • This case highlights the importance of recognizing and managing this rare vascular anomaly.

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