open access

Vol 82, No 2 (2023)
Case report
Submitted: 2022-01-05
Accepted: 2022-03-12
Published online: 2022-03-29
Get Citation

Connection between V2 and V3 parts of the trigeminal nerve at the internal cranial base

S. McDonough1, Ł. Olewnik2, J. Iwanaga34, A. S. Dumont3, R. S. Tubbs3456789
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Pubmed: 35380015
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Folia Morphol 2023;82(2):382-385.
Affiliations
  1. Tulane University School of Medicine, New Orleans, LA, United States
  2. Department of Anatomical Dissection and Donation, Medical University of Lodz, Poland
  3. Department of Neurosurgery, Tulane Centre for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, United States
  4. Department of Neurology, Tulane Centre for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, United States
  5. Department of Anatomical Sciences, St. George’s University, St. George’s, Grenada
  6. Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, LA, United States
  7. Department of Surgery, Tulane University School of Medicine, New Orleans, LA, United States
  8. Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, United States
  9. University of Queensland, Brisbane, Australia

open access

Vol 82, No 2 (2023)
CASE REPORTS
Submitted: 2022-01-05
Accepted: 2022-03-12
Published online: 2022-03-29

Abstract

Anatomical variations can occasionally result in unexpected findings on physical examination. Here, we report two cases of seemingly unique connections between V2 and V3 parts of the trigeminal nerve. In these two cadaveric specimens, at the foramen ovale, small neural connections, confirmed with histology, were identified joining V2 to specifically, the motor root of V3. The findings of these two cadaveric specimens and the potential clinical ramifications are discussed.

Abstract

Anatomical variations can occasionally result in unexpected findings on physical examination. Here, we report two cases of seemingly unique connections between V2 and V3 parts of the trigeminal nerve. In these two cadaveric specimens, at the foramen ovale, small neural connections, confirmed with histology, were identified joining V2 to specifically, the motor root of V3. The findings of these two cadaveric specimens and the potential clinical ramifications are discussed.

Get Citation

Keywords

skull base, anatomy, surgery, trigeminal nerve, interconnections, complications

About this article
Title

Connection between V2 and V3 parts of the trigeminal nerve at the internal cranial base

Journal

Folia Morphologica

Issue

Vol 82, No 2 (2023)

Article type

Case report

Pages

382-385

Published online

2022-03-29

Page views

2160

Article views/downloads

732

DOI

10.5603/FM.a2022.0031

Pubmed

35380015

Bibliographic record

Folia Morphol 2023;82(2):382-385.

Keywords

skull base
anatomy
surgery
trigeminal nerve
interconnections
complications

Authors

S. McDonough
Ł. Olewnik
J. Iwanaga
A. S. Dumont
R. S. Tubbs

References (8)
  1. Bathla G, Hegde AN. The trigeminal nerve: an illustrated review of its imaging anatomy and pathology. Clin Radiol. 2013; 68(2): 203–213.
  2. Diz-Díaz J, Gómez-Muñoz E, Sañudo J, et al. Which is the function of a martin-gruber connection? Clin Anat. 2019; 32(4): 501–508.
  3. Iwanaga J, Singh V, Takeda S, et al. Acknowledging the use of human cadaveric tissues in research papers: Recommendations from anatomical journal editors. Clin Anat. 2021; 34(1): 2–4.
  4. Joo W, Yoshioka F, Funaki T, et al. Microsurgical anatomy of the trigeminal nerve. Clin Anat. 2014; 27(1): 61–88.
  5. Saunders RL, Sachs E. Relation of the accessory rootlets of the trigeminal nerve to its motor root. A microsurgical autopsy study. J Neurosurg. 1970; 33(3): 317–324.
  6. Shoja MM, Oyesiku NM, Griessenauer CJ, et al. Anastomoses between lower cranial and upper cervical nerves: a comprehensive review with potential significance during skull base and neck operations, part I: trigeminal, facial, and vestibulocochlear nerves. Clin Anat. 2014; 27(1): 118–130.
  7. Woolfall P, Coulthard A. Pictorial review: Trigeminal nerve: anatomy and pathology. Br J Radiol. 2001; 74(881): 458–467.
  8. Young RF. Unmyelinated fibers in the trigeminal motor root. Possible relationship to the results of trigeminal rhizotomy. J Neurosurg. 1978; 49(4): 538–543.

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