The clinical application studies of CT spinal angiography with 64-detector row spiral CT in diagnosing spinal vascular malformations

Gao, Sijia; Zhang, Mengwei; Liu, Xiping; Yu-shen, Zhu; Liu, Jinghong; Wang, Zhonghui; Zang, Ping; Shi, Qiang; Wang, Qiang; Liang, Chunguang; Xu, Ke

doi:10.1016/j.ejrad.2008.04.005

Cited by 49 publications

(28 citation statements)

References 8 publications

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“…The tomographic nature of CTA is very useful for analyzing the precise anatomy of the spinal vessels and adjacent structures. 3,5,7,11,12,17,18,20,22,23,25 The radicular and spinal arteries are small vessels with diameters of 0.5-1.5 mm that run very close to the osseous structures. The anatomical features reduce the contrast-to-noise ratio, and the radicular arteries and their continuities with the aorta are usually obscured in IV-CTA.…”

Section: Discussionmentioning

confidence: 99%

Spinal intraarterial computed tomography angiography as an effective adjunct for spinal angiography

Yamamoto¹,

Kanaya²,

Kim³

2015

SPI

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OBJECT Spinal digital subtraction angiography (DSA) is indispensable for the precise diagnosis of spinal vascular lesions and the assessment of blood supply to the spinal cord. However, comprehensive spinal DSA covering multiple segments requires repetition of selective catheterization into small segmental arteries, which is time consuming, sometimes difficult, and hazardous. The authors investigated the usefulness of CT angiography with intraarterial contrast injection (IA-CTA) as a preliminary study preceding spinal DSA. With the advent of multidetector CT, it is feasible to obtain images of the spinal cord vasculature instantaneously overa number of segments. METHODS A total of 56 patients with lesions involving the spinal vasculature underwent IA-CTA with 64- or 320-row detector CT in advance of comprehensive spinal DSA. Contrast material was injected via a pigtail catheter placed at the aorta in proximity to the segments of interest. Scanning was repeated twice to obtain arterial- and venous-phase images to differentiate between the arterial and venous components. The spinal arteries were identified by paging the various multiplanar reconstruction images and tracing the vessels from the aorta. Spinal DSA was subsequently performed by guiding selective catheterization to the feeding segments in reference to the IA-CTA findings. Visualization of the segmental arteries, normal spinal arteries, and abnormal vessels during IA-CTA was investigated and compared with that obtained during spinal DSA. RESULTS In all 56 patients, spinal IA-CTA successfully enabled visualization of the spinal vessels, including the radicular arteries and the anterior spinal artery. Below the aortic arch, all segmental arteries were identified clearly. The segmental arteries, radiculomedullary arteries, spinal arteries, and abnormal vessels were traced from the aorta, which would be the target of selective catheterization. In 3 (6.8%) patients, IA-CTA revealed severe aortic atherosclerosis and occlusion of some segmental arteries. The information obtained was useful for directing selective catheterization studies. The findings of IA-CTA corresponded well with those of spinal DSA. CONCLUSIONS IA-CTA is a useful adjunct to spinal DSA for surveying the vasculature surrounding the spinal cord and for orienting selective catheterization. IA-CTA can complement spinal DSA, curtail unnecessary segmental injections, and thus reduce procedural complications.

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Section: Discussionmentioning

confidence: 99%

Spinal intraarterial computed tomography angiography as an effective adjunct for spinal angiography

Yamamoto¹,

Kanaya²,

Kim³

2015

SPI

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“…They correctly localized in all 8 of the patients the fistula together with the feeding artery (thoracic in 7 and sacral in 1 patient) and depicted the engorged perimedullary draining veins. Recently, Si-jai et al 20 reported good results in 17 patients harbouring a vascular spinal cord malformation using a 64-detector row spiral CT. However, spatial and temporal resolution were still inferior to catheter angiography hampering characterization of complicated malformations and failing to locate the level of fistulation in two SDAVF.…”

Section: Ct Angiography Of Vascular Spinal Cord Malformationsmentioning

confidence: 99%

“…Therefore, they conclude that it can be used as a screenings tool for detecting vascular spinal malformations and can have a guiding effect on the catheter angiography. Both Lai et al 19 and Si-jai et al 20 did not comment on detection of normal spinal cord arteries and veins. However, recent studies have shown that multidetector CT angiography is able to detect the AKA in the non-diseased spinal cord [21][22][23][24] .…”

Section: Ct Angiography Of Vascular Spinal Cord Malformationsmentioning

confidence: 99%

Non-invasive Spinal Cord Angiography for Imaging Vascular Spinal Cord Malformations

et al. 2009

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“…71 CTA of the spine is now possible and may be helpful in diagnosing and guiding the further management of spinal vascular malformations. 73 The advances in CT technology resulting in increasing use have led to concerns over the radiation exposure patients receive during these studies. 74 In light of these concerns, CT manufacturers have developed dose modulation and iterative reconstruction techniques that decrease patient dose without sacrificing image quality.…”

Section: Advances In Ct and Mr Imaging Of The Spinementioning

confidence: 99%

Neuroradiology Back to the Future: Spine Imaging

Hoeffner¹,

Mukherji²,

Srinivasan³

et al. 2012

AJNR Am J Neuroradiol

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The clinical application studies of CT spinal angiography with 64-detector row spiral CT in diagnosing spinal vascular malformations

Cited by 49 publications

References 8 publications

Spinal intraarterial computed tomography angiography as an effective adjunct for spinal angiography

Spinal intraarterial computed tomography angiography as an effective adjunct for spinal angiography

Non-invasive Spinal Cord Angiography for Imaging Vascular Spinal Cord Malformations

Neuroradiology Back to the Future: Spine Imaging

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