Microsurgical anatomy of the lateral mesencephalic vein and its meaning for the deep venous outflow of the brain

Neurosurgical Review
Ardavan ArdeshiriPeter A Winkler

Abstract

The cerebral venous outflow consists of the superficial system and the deep draining system. The deep one drains the areas of the great vein of Galen, the two basal veins of Rosenthal, and their tributaries. Simultaneous obstruction of these veins can effect great harm. In the case of obstruction of the vein of Galen, the basal vein can ensure the venous outflow. Therefore, attention should be paid to anastomoses between the basal vein and the infratentorial venous system. The lateral mesencephalic vein (LMV) is the most important anastomosis between the supra- and infratentorial system linking the basal vein to the superior petrosal sinus. Since microanatomical studies concerning this vein have received less attention the aim of the present study was to visualize the course of this vein, its junction with the basal vein, its tributaries and its relationship with neural structures. Fifty-two cadaveric hemispheres were examined under the operating microscope. The LMV could be identified in all cases, with a mean diameter of 1.07 mm. Thorough understanding of the microanatomy of the LMV is crucial to avoid brain damage due to venous infarction during surgery, and its preservation could ensure deep venous outflow in the case of ob...Continue Reading

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Citations

Oct 1, 2013·Clinical Neurology and Neurosurgery·Enrico FerranteAlberto Citterio
May 15, 2013·Journal of Neuroradiology. Journal De Neuroradiologie·Xi-bin Xia, Chang-lian Tan
Jul 26, 2008·European Journal of Surgical Oncology : the Journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology·F H EbnerM Tatagiba
Nov 10, 2018·AJNR. American Journal of Neuroradiology·B BenderF H Ebner
Nov 6, 2020·Anatomy & Cell Biology·Santiago GutierrezR Shane Tubbs

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