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Alzahrani A.A.

Sechenov First Moscow State Medical University (Sechenov University)

Dydykin S.S.

Sechenov First Moscow State Medical University (Sechenov University)

Sufianov A.A.

Sechenov First Moscow State Medical University (Sechenov University);
Patrice Lumumba Russian Peoples’ Friendship University

Iakimov Yu.A.

Sechenov First Moscow State Medical University (Sechenov University);
Federal Center for Neurosurgery

Rustamov R.R.

Federal Center for Neurosurgery

Sufianov R.A.

Sechenov First Moscow State Medical University (Sechenov University)

The clival line as an important anatomical landmark during endoscopic third ventriculostomy of the floor of the third ventricle

Authors:

Alzahrani A.A., Dydykin S.S., Sufianov A.A., Iakimov Yu.A., Rustamov R.R., Sufianov R.A.

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Journal: Russian Journal of Operative Surgery and Clinical Anatomy. 2023;7(4): 5‑14

DOI: 10.17116/operhirurg202370415

Read: 1298 times

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Table of contents

THE CLIVAL LINE AS AN IMPORTANT ANATOMICAL LANDMARK DURING ENDOSCOPIC THIRD VENTRICULOSTOMY OF THE FLOOR OF THE THIRD VENTRICLE
THE CLIVAL LINE AS AN IMPORTANT ANATOMICAL LANDMARK DURING ENDOSCOPIC THIRD VENTRICULOSTOMY OF THE FLOOR OF THE THIRD VENTRICLE

To cite this article:

Alzahrani AA, Dydykin SS, Sufianov AA, Iakimov YuA, Rustamov RR, Sufianov RA. The clival line as an important anatomical landmark during endoscopic third ventriculostomy of the floor of the third ventricle. Russian Journal of Operative Surgery and Clinical Anatomy. 2023;7(4):5‑14. (In Russ.)
https://doi.org/10.17116/operhirurg202370415

Подписка 2026 Оперативная хирургия и клиническая анатомия (Пироговский научный журнал) (Russian Journal of Operative Surgery and Clinical Anatomy)
МСФ на ЯМ
Использование инфографики авторами научных работ
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Abstract:

BACKGROUND

The arachnoid membranes are widely and unevenly distributed in the cranial cavity and vary greatly in appearance and configuration. Understanding the distribution and configuration of intracranial arachnoid membranes is useful in order to make full use of natural anatomical landmarks during operations.

OBJECTIVE

The purpose of the study is to study the features of the endoscopic anatomy of the distribution and configuration of the arachnoid membranes of the base of the brain.

MATERIAL AND METHODS

The endoscopic and microsurgical anatomy of the arachnoid membranes of the brain base, the clival line, and the basal cisterns were studied on 20 cadaveric preparations with vessels pre-stained with colored silicone.

RESULTS

The basal attachment of the mesencephalic leaf of the Liliequist membrane and its caudal continuation in the form of a prepontine membrane on both sides of the basillar artery form a U-shaped thickening (clival line) on the outer arachnoid membrane, it serves as a reliable reference point for dissection of the surrounding arachnoid membranes during endoscopic third ventriculostomy (ETV). The proposed 4 types of perforation mechanisms, depending on the anatomical changes of the internal arachnoid membranes, make it possible to plan the ideal position of the stoma associated with the Liliequist membrane complex, which determines the long-term success of the operation.

CONCLUSION

The U-shaped thickening (clival line) on the outer arachnoid membranes serves as a reliable reference point for dissection of the surrounding arachnoid membranes during ETV.

Keywords:

arachnoid membrane
clivus line
neuroendoscopy
interpeduncular cistern
endoscopic third ventriculostomy (ETV)

Authors:

Alzahrani A.A.

Sechenov First Moscow State Medical University (Sechenov University)

Dydykin S.S.

Sechenov First Moscow State Medical University (Sechenov University)

Sufianov A.A.

Sechenov First Moscow State Medical University (Sechenov University);
Patrice Lumumba Russian Peoples’ Friendship University

Iakimov Yu.A.

Sechenov First Moscow State Medical University (Sechenov University);
Federal Center for Neurosurgery

Rustamov R.R.

Federal Center for Neurosurgery

Sufianov R.A.

Sechenov First Moscow State Medical University (Sechenov University)

Received:

28.06.2023

Accepted:

29.08.2023

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References:

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  10. Sufianov AA, Yakimov YuA, Shelyagin IS, Sufianov RA, Murzaeva DA, Rustamov RR. Anatomy of the interpeduncular cistern of the brain. Operativnaya khirurgiya i klinicheskaya anatomiya (Pirogovskii nauchnyi zhurnal). 2021;5(3):46-54. (In Russ.). https://doi.org/10.17116/operhirurg2021503146.
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