open access

Vol 76, No 2 (2017)
Case report
Submitted: 2016-07-07
Accepted: 2016-08-24
Published online: 2016-10-10
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A previously undescribed variant of the confluence of sinuses

G. G. Tardieu1, R. J. Oskouian2, M. Loukas1, R. S. Tubbs3
·
Pubmed: 27813632
·
Folia Morphol 2017;76(2):316-318.
Affiliations
  1. Department of Anatomical Sciences, St. George’s University, Grenada, West Indies, Grenada
  2. Swedish Neuroscience Institute, Swedish Medical Centre, Seattle, WA, United States, United States
  3. Seattle Science Foundation, Seattle, Washington, United States, United States

open access

Vol 76, No 2 (2017)
CASE REPORTS
Submitted: 2016-07-07
Accepted: 2016-08-24
Published online: 2016-10-10

Abstract

An 8-year-old female with a history of chronic headaches and uncertain papilloedema was found to have a variant of the posterior intracranial dural venous sinuses on magnetic resonance imaging assessment of the brain. Magnetic resonance venography included in the imaging revealed a circular formation of the confluence of sinuses and absent right-sided transverse sinus. The confluence of sinuses is a highly variable structure; however, to the authors’ knowledge, a circular confluence of sinuses variant has not been reported in the literature.

Abstract

An 8-year-old female with a history of chronic headaches and uncertain papilloedema was found to have a variant of the posterior intracranial dural venous sinuses on magnetic resonance imaging assessment of the brain. Magnetic resonance venography included in the imaging revealed a circular formation of the confluence of sinuses and absent right-sided transverse sinus. The confluence of sinuses is a highly variable structure; however, to the authors’ knowledge, a circular confluence of sinuses variant has not been reported in the literature.

Get Citation

Keywords

intracranial, anomalies, dura mater, anatomy

About this article
Title

A previously undescribed variant of the confluence of sinuses

Journal

Folia Morphologica

Issue

Vol 76, No 2 (2017)

Article type

Case report

Pages

316-318

Published online

2016-10-10

Page views

1173

Article views/downloads

1413

DOI

10.5603/FM.a2016.0063

Pubmed

27813632

Bibliographic record

Folia Morphol 2017;76(2):316-318.

Keywords

intracranial
anomalies
dura mater
anatomy

Authors

G. G. Tardieu
R. J. Oskouian
M. Loukas
R. S. Tubbs

References (8)
  1. Bisaria KK. Anatomic variations of venous sinuses in the region of the torcular Herophili. J Neurosurg. 1985; 62(1): 90–95.
  2. Butler H. The development of certain human dural venous sinuses. J Anat. 1957; 91(4): 510–526.
  3. Curé J, Tassel P, Smith M. Normal and variant anatomy of the dural venous sinuses. Seminars Ultrasound, CT MRI. 1994; 15(6): 499–519.
  4. Ishizaka H. Anatomical study of the torcular herophili. Neurol Med Chir. 1985; 25(11): 873–880.
  5. Kaplan H, Browder J, Knightly J, et al. Variations of the cerebral dural sinuses at the torcular herophili. Am J Surg. 1972; 124(4): 456–461.
  6. Kobayashi K, Matsui O, Suzuki M, et al. Anatomical study of the confluence of the sinuses with contrast-enhanced magnetic resonance venography. Neuroradiology. 2006; 48(5): 307–311.
  7. Park HKi, Bae HG, Choi SK, et al. Morphological study of sinus flow in the confluence of sinuses. Clin Anat. 2008; 21(4): 294–300.
  8. Streeter G. The development of the venous sinuses of the dura mater in the human embryo. Am J Anat. 1915; 18(2): 145–178.

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