MR anatomy of the proximal cisternal segment of the trochlear nerve: neurovascular relationships and landmarks

Radiology
Indra YousryT A Yousry

Abstract

To assess the anatomic features and vascular relationships of the proximal portion of the cisternal segment of the trochlear nerve. In 30 subjects (60 nerves) and in one patient with right superior oblique myokymia (SOM), the anatomy of the trochlear nerve was depicted with three-dimensional (3D) Fourier transformation constructive interference in steady state (CISS) magnetic resonance (MR) imaging, whereas the adjacent vessels were detected with 3D time-of-flight (TOF) MR imaging before and after gadopentetate dimeglumine administration. The images were evaluated with respect to the identification of the trochlear nerve, the distance between the point of exit (PE) and the midline, the visualized length, the vascular relationships, and the distance between the PE and the point of neurovascular contact. 3D CISS MR imaging depicted the proximal cisternal segment of the trochlear nerve in the transverse, sagittal, and coronal planes in 57 (95%), 51 (85%), and 48 (80%) of 60 nerves, respectively. The distance from the midline to the PE was 3-9 mm, and the maximum visualized length of the trochlear nerve was 1-14 mm. An arterial-trochlear neurovascular contact was seen at the root exit zone (REZ) in eight (14%) nerves and at a mean ...Continue Reading

References

Sep 30, 1977·Documenta Ophthalmologica. Advances in Ophthalmology·C F Ware
Sep 1, 1990·Fortschritte der Neurologie-Psychiatrie·C SchröterG Huffmann
Sep 1, 1989·Radiology·R R TashD R Leslie
Jan 1, 1987·Neuroradiology·N MartinH Nahum
Jan 1, 1973·Acta Anatomica·H Nathan, Y Goldhammer
Feb 1, 1984·Journal of Neurosurgery·M OnoM Barry
Jan 1, 1993·Neuroradiology·E ErdemD Doyon
Aug 1, 1994·Archives of Ophthalmology·P W BrazisA G Lee
Jan 1, 1993·Surgical and Radiologic Anatomy : SRA·M VillainB Arnaud
Nov 1, 1995·Journal of Computer Assisted Tomography·Y KorogiM Takahashi
Apr 1, 1996·Topics in Magnetic Resonance Imaging : TMRI·F J Laine
Jun 1, 1997·The British Journal of Radiology·P HeldJ Strutz
Dec 2, 1998·Journal of Neurosurgery·R S Tubbs, W J Oakes
Jun 1, 1999·Journal of Neurosurgery·E Urculo
Sep 13, 2000·Neurosurgery·A L Rhoton
Sep 23, 2000·Journal of Neuro-ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society·Y HayakawaN Ishikawa
Oct 29, 2000·Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift für Augenheilkunde·K ScharweyH Kaufmann
Oct 19, 2004·Neuroimaging Clinics of North America·Mauricio Castillo
Dec 10, 2009·European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes·Z Li, Q Lan
Jan 1, 1997·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·I AersJ Casselman

❮ Previous
Next ❯

Citations

Aug 18, 2004·Journal of Neurology, Neurosurgery, and Psychiatry·M SymmsT A Yousry
Jan 23, 2010·AJNR. American Journal of Neuroradiology·B S ChoiJ-M Hwang
Jan 12, 2007·Current Opinion in Neurology·Roxana Gunny, Tarek A Yousry
Mar 24, 2009·Neuro-Chirurgie·M HermierM Sindou
May 10, 2008·Neuroimaging Clinics of North America·Jan CasselmanKenneth Coenegrachts
May 10, 2008·Neuroimaging Clinics of North America·Matthew E AdamsIndra Yousry
Jan 24, 2013·Asian Pacific Journal of Tropical Medicine·Zi-Yi GuoDan Yu
Jan 28, 2005·Strabismus·Armin Ettl, Erich Salomonowitz
Sep 11, 2019·Current Opinion in Ophthalmology·Anika Tandon, Cristiano Oliveira
Aug 14, 2003·Current Neurology and Neuroscience Reports·Jorge C Kattah, Edmond J FitzGibbon
Jan 3, 2021·Surgical and Radiologic Anatomy : SRA·Satoshi TsutsumiHisato Ishii
Nov 3, 2020·Journal of Neuro-ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society·Nivedita AgarwalAri M Blitz

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.