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Microvascular Decompression: Salient Surgical Principles and Technical Nuances
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Multiple Fenestrated Dural Venous Sinuses: A Case Report.

Keaton N Ott1, Rarinthorn Samrid2, Yoko Tabira3

  • 1School of Medicine, Tulane University, New Orleans, USA.

Cureus
|November 4, 2024
PubMed
Summary
This summary is machine-generated.

Multiple fenestrations in the transverse and superior sagittal sinuses (SSS) were found in a single cadaver. This rare anatomical variation highlights the importance of understanding dural venous sinus anomalies.

Keywords:
anatomycranialimagingskullvariationsveins

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Area of Science:

  • Neuroanatomy
  • Vascular Anatomy
  • Human Anatomy

Background:

  • Dural venous sinuses are crucial for venous drainage in the brain.
  • Anatomical variations in these sinuses are common but typically involve single anomalies.
  • Understanding these variations is vital for neurosurgical and endovascular procedures.

Observation:

  • A cadaver specimen exhibited fenestrations in bilateral transverse sinuses and the superior sagittal sinus (SSS).
  • The right transverse sinus was positioned superiorly and was dominant.
  • An absent occipital sinus and atypical drainage of the straight sinus were noted.

Findings:

  • This case presents a unique confluence of multiple fenestrations within the dural venous sinuses in one specimen.
  • The observed variations include asymmetry in transverse sinus location and dominance.
  • Absence of the occipital sinus and altered straight sinus drainage pattern were also documented.

Implications:

  • Detailed anatomical knowledge of dural venous sinus variations is critical for surgical planning.
  • Such anomalies can impact neurosurgical and endovascular intervention outcomes.
  • This case underscores the need for comprehensive pre-procedural anatomical assessment.