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Updated: May 22, 2026

Electrolytic Inferior Vena Cava Model (EIM) of Venous Thrombosis
Published on: July 12, 2011
An unusual intraventricular interthalamic vein: two anatomical case reports
Cyrille Capel1, Johann Peltier, Pascal Foulon
1Laboratoire d'Anatomie et d'Organogenèse, Université de Picardie Jules Verne, 80036, Amiens cedex 1, France. cyrille.capel@neurochirurgie.fr
Neurosurgeons rely on ventricular veins for navigating the brain during endoscopic third ventriculocisternostomy. This study details rare interthalamic vein variations crucial for surgical safety.
Area of Science:
- Neurosurgery
- Neuroanatomy
- Vascular Anatomy
Background:
- Endoscopic third ventriculocisternostomy (ETV) is a key neurosurgical procedure.
- Ventricular veins serve as critical landmarks during ETV.
- Existing literature lacks detailed intraventricular venous anatomy, particularly within the third ventricle.
Observation:
- The study reports two unique cases involving the interthalamic vein.
- These variations were encountered during endoscopic procedures within the third ventricle.
Findings:
- Detailed anatomical descriptions of unusual interthalamic vein variations are presented.
- The significance of identifying and preserving these veins during ETV is highlighted.
Implications:
- Enhanced understanding of third ventricle venous anatomy can improve surgical precision.
- Awareness of interthalamic vein variations is vital for preventing intraoperative complications.
- This anatomical knowledge aids neurosurgeons in safely navigating complex ventricular structures.
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