scholarly journals Liliequist Membrane: Three-dimensional Constructive Interference in Steady State MR Imaging

Radiology ◽  
2003 ◽  
Vol 229 (2) ◽  
pp. 360-365 ◽  
Author(s):  
Yasutaka Fushimi ◽  
Yukio Miki ◽  
Tetsuya Ueba ◽  
Mitsunori Kanagaki ◽  
Takahiro Takahashi ◽  
...  
2006 ◽  
Vol 24 (6) ◽  
pp. 1326-1332 ◽  
Author(s):  
Ichiro Yamada ◽  
Yosuke Izumi ◽  
Tatsuyuki Kawano ◽  
Norio Yoshino ◽  
Akemi Tetsumura ◽  
...  

2008 ◽  
Vol 44 (6) ◽  
pp. 509-512 ◽  
Author(s):  
Kimiaki Hashiguchi ◽  
Takato Morioka ◽  
Kazuhiro Samura ◽  
Fumiaki Yoshida ◽  
Yasushi Miyagi ◽  
...  

Radiology ◽  
2006 ◽  
Vol 240 (2) ◽  
pp. 546-551 ◽  
Author(s):  
Garry E. Gold ◽  
Scott B. Reeder ◽  
Huanzhou Yu ◽  
Peter Kornaat ◽  
Ann S. Shimakawa ◽  
...  

2011 ◽  
Vol 14 (3) ◽  
pp. 398-404 ◽  
Author(s):  
Jonathan M. Morris ◽  
Timothy J. Kaufmann ◽  
Norbert G. Campeau ◽  
Harry J. Cloft ◽  
Giuseppe Lanzino

Although more prevalent in males in the 6th and 7th decade of life, spinal dural arteriovenous fistulas (SDAVFs) are an uncommon cause of progressive myelopathy. Magnetic resonance imaging and more recently Gd bolus MR angiography have been used to diagnose, radiographically define, and preprocedurally localize the contributing lumbar artery. Three-dimensional myelographic MR imaging sequences have recently been developed for anatomical evaluation of the spinal canal. The authors describe 3 recent cases in which volumetric myelographic MR imaging with a 3D phase-cycled fast imaging employing steady state acquisition (PC-FIESTA) and a 3D constructive interference steady state (CISS) technique were particularly useful not only for documenting an SDAVF, but also for providing localization when CT angiography, MR imaging, MR angiography, and spinal angiography failed to localize the fistula. In a patient harboring an SDAVF at T-4, surgical exploration was performed based on the constellation of findings on the PC-FIESTA images as well as the fact that the spinal segments leading to T-4 were the only ones that the authors were unable to catheterize. In a second patient, who harbored an SDAVF at T-6, after 2 separate angiograms failed to demonstrate the fistula, careful assessment of the CISS images led the authors to focus a third angiogram on the left T-6 intercostal artery and to perform superselective microcatheterization. In a third patient with an SDAVF originating from the lateral sacral branch, the PC-FIESTA sequence demonstrated the arterialized vein extending into the S-1 foramen, leading to a second angiogram and superselective internal iliac injections. The authors concluded that myelographic MR imaging sequences can be useful not only as an aid to diagnosis but also for localization of an SDAVF in complex cases.


2008 ◽  
Vol 8 (5) ◽  
pp. 429-435 ◽  
Author(s):  
Florian Roser ◽  
Florian H. Ebner ◽  
Søren Danz ◽  
Felix Riether ◽  
Rainer Ritz ◽  
...  

Object Neuroradiology has become indispensable in detecting the pathophysiology in syringomyelia. Constructive interference in steady-state (CISS) magnetic resonance (MR) imaging can provide superior contrast at the sub-arachnoid tissue borders. As this region is critical in preoperative evaluation, the authors hypothesized that CISS imaging would provide superior assessment of syrinx pathology and surgical planning. Methods Based on records collected from a database of 130 patients with syringomyelia treated at the authors' institution, 59 patients were prospectively evaluated with complete neuroradiological examinations. In addition to routine acquisitions with FLAIR, T1- and T2-weighted, and contrast-enhanced MR imaging series, the authors obtained sagittal cardiac-gated sequences to visualize cerebrospinal fluid (CSF) pulsations and axial 3D CISS MR sequences to detect focal arachnoid webs. Statistical qualitative and quantitative evaluations of spinal cord/CSF contrast, spinal cord/CSF delineation, motion artifacts, and artifacts induced by pulsatile CSF flow were performed. Results The 3D CISS MR sequences demonstrated a contrast-to-noise ratio significantly better than any other routine imaging sequence (p < 0.001). Moreover, 3D CISS imaging can detect more subarachnoid webs and cavitations in the syrinx than T2-weighted MR imaging with less flow-void artifact. The limitation of 3D CISS imaging is a susceptibility to motion artifacts that can cause reduced spatial resolution. Lengthy acquisition times for axial segments can be reduced with multiplanar reconstruction of 3D CISS–generated sagittal images. Conclusions Constructive interference in steady-state imaging is the MR sequence of choice in the preoperative evaluation of syringomyelia, allowing significantly higher detection rates of focal subarachnoid webs, whereas standard T2-weighted MR imaging shows turbulent CSF flow voids. Constructive interference in steady-state MR imaging enables the neurosurgeon to accurately identify cases requiring decompression for obstructed CSF. Motion artifacts can be eliminated with technical variations.


Radiology ◽  
2007 ◽  
Vol 243 (1) ◽  
pp. 220-228 ◽  
Author(s):  
Ioannis Koktzoglou ◽  
Yiu-Cho Chung ◽  
Timothy J. Carroll ◽  
Orlando P. Simonetti ◽  
Mark D. Morasch ◽  
...  

Author(s):  
Toshinori Hirai ◽  
Yukunori Korogi ◽  
Yoshinori Shigematsu ◽  
Takeshi Sugahara ◽  
Mutsumasa Takahashi ◽  
...  

1999 ◽  
Vol 41 (5) ◽  
pp. 384-386 ◽  
Author(s):  
M. Lemmerling ◽  
G. De Praeter ◽  
K. Mortelé ◽  
S. Vyt ◽  
B. Vanzieleghem ◽  
...  

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