Advanced

AJNR - American Journal of Neuroradiology

This Article Figures Only Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Citation Map Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via CrossRef Citing Articles via Google Scholar Google Scholar Articles by Yousry, I. Articles by Yousry, T. A. Search for Related Content PubMed PubMed Citation Articles by Yousry, I. Articles by Yousry, T. A.

American Journal of Neuroradiology 26:1128-1135, May 2005
© 2005 American Society of Neuroradiology

BRAIN

Trigeminal Ganglion and its Divisions: Detailed Anatomic MR Imaging with Contrast-Enhanced 3D Constructive Interference in the Steady State Sequences

Indra Yousry^a, Bernhard Moriggl^b, Urs D. Schmid^c, Thomas P. Naidich^d,e and Tarek A. Yousry^e

^a Department of Neuroradiology, Klinikum Grosshadern, Ludwig-Maximilians University, Munich, Germany
^b Institute of Anatomy, Histology, and Embryology, Medical University Innsbruck, Austria
^c Neurosurgical Unit, Klinik Im Park, Zurich, Switzerland
^d Department of Radiology, Section of Neuroradiology, Mount Sinai Medical Center, New York, NY
^e Lysholm Department of Neuroradiology, Institute of Neurology, London, UK

Address correspondence to Dr. med. Indra Yousry, Department of Neuroradiology, Klinikum Grosshadern, Marchioninistr. 15, D-81377 Munich, Germany

BACKGROUND AND PURPOSE: Visualization of the trigeminal system is important for imaging diagnosis but technically challenging. We assessed how well the trigeminal ganglion, its rootlets, and its branches (V1, V2, and V3) are depicted on three high-resolution pulse sequences.

METHODS: Twenty-two patients (44 sides) underwent nonenhanced 3D constructive interference in the steady state (CISS) MR imaging. Two of these patients and another 20 (44 sides) also underwent contrast-enhanced 3D CISS and contrast-enhanced 3D time-of-flight (TOF) MR angiographic (MRA) imaging. Appearances of the ganglion, sinus ganglii, ganglion lip, and sensory and motor rootlets in the Meckel cave were assessed.

RESULTS: The trigeminal ganglion was shown on enhanced 3D CISS images in all cases, on nonenhanced 3D CISS images in 77.3%, and on enhanced 3D TOF MRA images in 92.9%. Sinus ganglia and lips were demonstrated on 98% of enhanced 3D CISS images. Sensory rootlets were depicted with all 3D CISS sequences but no 3D TOF sequences. V1, V2, and V3 were displayed with all enhanced 3D TOF MRA sequences, 79.5–100% of enhanced 3D CISS sequences, and 0–50% of nonenhanced 3D CISS sequences.

CONCLUSION: The enhanced 3D CISS sequence was best for displaying the trigeminal ganglion, sinus ganglii, and sinus lips, whereas the enhanced 3D TOF sequence best displayed the emerging V1, V2, and V3 roots. The enhanced 3D CISS sequence was most useful. Complete MR imaging evaluation of the trigeminal ganglion and roots is best performed by using enhanced 3D CISS and enhanced 3D TOF MRA sequences.

This article has been cited by other articles:

				A. Dincer, S. Kohan, and M.M. Ozek Is All "Communicating" Hydrocephalus Really Communicating? Prospective Study on the Value of 3D-Constructive Interference in Steady State Sequence at 3T AJNR Am. J. Neuroradiol., November 1, 2009; 30(10): 1898 - 1906. [Abstract] [Full Text] [PDF]

				J. Linn, F. Peters, B. Moriggl, T.P. Naidich, H. Bruckmann, and I. Yousry The Jugular Foramen: Imaging Strategy and Detailed Anatomy at 3T AJNR Am. J. Neuroradiol., January 1, 2009; 30(1): 34 - 41. [Abstract] [Full Text] [PDF]

				I. Davagnanam and S.V. Chavda Identification of the Normal Jugular Foramen and Lower Cranial Nerve Anatomy: Contrast-Enhanced 3D Fast Imaging Employing Steady-State Acquisition MR Imaging AJNR Am. J. Neuroradiol., March 1, 2008; 29(3): 574 - 576. [Abstract] [Full Text] [PDF]