• No results found

MR Angiography

Contrast enhanced three dimensional fast imaging with steady state precession (FISP) MR angiography of supraaortic vessels: preliminary results

Contrast enhanced three dimensional fast imaging with steady state precession (FISP) MR angiography of supraaortic vessels: preliminary results

... enhanced MR angiography as a means to improve vascular conspicuity ...3D MR angiography to calculate the transit time (16), an automatic power injector may be useful for achieving reproducible ...

9

Specificity of MR angiography as a confirmatory test of carotid artery stenosis

Specificity of MR angiography as a confirmatory test of carotid artery stenosis

... of MR angiog- raphy for detecting severe carotid artery stenoses when applied as a confirmatory test after screening with duplex Doppler ...pertinent MR angio- graphic literature published between 1990 and ...

6

Prospective Evaluation of Carotid Artery Stenosis: Elliptic Centric Contrast Enhanced MR Angiography and Spiral CT Angiography Compared with Digital Subtraction Angiography

Prospective Evaluation of Carotid Artery Stenosis: Elliptic Centric Contrast Enhanced MR Angiography and Spiral CT Angiography Compared with Digital Subtraction Angiography

... CT angiography in the assessment of narrowing of the lumen of the extracra- nial carotid artery bifurcation, and CT angiography has already been shown to be sensitive and specific in the evaluation of ...

8

MR angiography of spinal vascular malformations

MR angiography of spinal vascular malformations

... midfield MR unit, implying a rela- tively low signal-to-noise ...for MR angiography were not ...the MR angiography ...of MR angiogra- phy examination in the ...

12

Advances in Spinal Cord MR Angiography

Advances in Spinal Cord MR Angiography

... in MR angiography, including a large craniocaudal FOV, centric k-space sampling, fast-acquisition pulse sequence, 2-phase dynamic scanning (maximal 40 sec- onds per phase), and additional background ...

13

Prospective Evaluation of Suspected Stenoocclusive Disease of the Intracranial Artery: Combined MR Angiography and CT Angiography Compared with Digital Subtraction Angiography

Prospective Evaluation of Suspected Stenoocclusive Disease of the Intracranial Artery: Combined MR Angiography and CT Angiography Compared with Digital Subtraction Angiography

... combined MR angiograms and CT angio- grams per person may be generally longer than that of corresponding digital subtraction ...do MR angiography and CT ...combined MR angiog- raphy and CT ...

9

MR Angiography with Three Dimensional Time of Flight and Targeted Maximum Intensity Projection Reconstructions in the Follow up of Intracranial Aneurysms Embolized with Guglielmi Detachable Coils

MR Angiography with Three Dimensional Time of Flight and Targeted Maximum Intensity Projection Reconstructions in the Follow up of Intracranial Aneurysms Embolized with Guglielmi Detachable Coils

... of MR angiography, follow-up of GDC-treated aneurysms can hardly be executed solely by this ...up MR imaging and 3D-TOF MR angiographic studies, including targeted MIP reconstructions, showed ...

6

Contrast Enhanced MR Angiography of the Carotid and Vertebrobasilar Circulations

Contrast Enhanced MR Angiography of the Carotid and Vertebrobasilar Circulations

... Contrast-enhanced MR angiography (CE MRA) has recently emerged as an alternative, noninvasive technique for assessing vascular disease and is now routinely used as a first-line investigation in different ...

7

MR angiography of ruptured aneurysms in acute subarachnoid hemorrhage

MR angiography of ruptured aneurysms in acute subarachnoid hemorrhage

... the MR angiograms was graded as excellent (good quality with no artifacts), fair (slightly noisy but adequate for detecting ruptured aneurysms), or poor (too many artifacts to make an ...to MR ...

8

Vasospasm after Subarachnoid Hemorrhage: Diagnosis with MR Angiography

Vasospasm after Subarachnoid Hemorrhage: Diagnosis with MR Angiography

... of MR angiography in diagnosing angiographic vasospasm and to test the feasibility of using MR angiography as a follow-up tool for detecting ...Systematic MR angiography was ...

7

Usefulness of Non–Contrast Enhanced MR Angiography Using a Silent Scan for Follow Up after Y Configuration Stent Assisted Coil Embolization for Basilar Tip Aneurysms

Usefulness of Non–Contrast Enhanced MR Angiography Using a Silent Scan for Follow Up after Y Configuration Stent Assisted Coil Embolization for Basilar Tip Aneurysms

... Disclosures: Nao Takano—RELATED: Grant: Cabinet Office of the Government of Japan,* The Ministry of Education, Culture, Sports, Science and Technology of Japan,* Comments: this work was funded by ImPACT Program of Council ...

5

Anatomic evaluation of the circle of Willis: MR angiography versus intraarterial digital subtraction angiography

Anatomic evaluation of the circle of Willis: MR angiography versus intraarterial digital subtraction angiography

... The findings from 62 patients (40 male, 22 female) who underwent both intraarterial DSA and 3-D time-of-flight MR angiography were reviewed retrospectively to ascer- tain the presence of the arterial ...

5

High Resolution 3T MR Angiography of the Carotid Arteries: Comparison of Manual and Semiautomated Quantification of Stenosis

High Resolution 3T MR Angiography of the Carotid Arteries: Comparison of Manual and Semiautomated Quantification of Stenosis

... acceptance. MR angiography (MRA), CT an- giography (CTA), and duplex/Doppler sonography (DUS) are minimally invasive techniques capable of 3D vessel visualiza- ...

7

Aneurysms of the Anterior Communicating Artery Treated with Guglielmi Detachable Coils: Follow Up with Contrast Enhanced MR Angiography

Aneurysms of the Anterior Communicating Artery Treated with Guglielmi Detachable Coils: Follow Up with Contrast Enhanced MR Angiography

... subtraction angiography (DSA) remains the technique of choice, but this method is relatively invasive and poses a risk of neurologic ...CT angiography with three-dimensional (3D) reconstructions has been ...

7

The roles of MR angiography, CT angiography, and sonography in vascular imaging of the head and neck

The roles of MR angiography, CT angiography, and sonography in vascular imaging of the head and neck

... of MR angiography and CT angiog- raphy for detection of carotid artery and vertebral artery dissection have been performed in small series (57–59), but these tests are likely to be insensitive to the subtle ...

6

MR imaging, MR angiography, and MR spectroscopy of the brain in eclampsia

MR imaging, MR angiography, and MR spectroscopy of the brain in eclampsia

... the MR imaging and MR angiographic changes with in vivo proton MR spectroscopic findings and to determine the spectral differences between edema and ischemia in patients with ...Spin-echo MR ...

6

Utility of CT Angiography and MR Angiography for the Follow up of Experimental Aneurysms Treated with Stents or Guglielmi Detachable Coils

Utility of CT Angiography and MR Angiography for the Follow up of Experimental Aneurysms Treated with Stents or Guglielmi Detachable Coils

... 3D-TOF MR angiography, although there is potential for the presence of venous signal to cause difficulty in image interpretation when the objective is the perception of a small aneurysm or the detail of ...

9

Catheter Angiography, MR Angiography, and MR Perfusion in Posterior Reversible Encephalopathy Syndrome

Catheter Angiography, MR Angiography, and MR Perfusion in Posterior Reversible Encephalopathy Syndrome

... Axial MR imaging (FLAIR sequence) demonstrates extensive vasogenic edema in the occipital lobes (open arrows) and temporooccipital junction (arrowheads) consistent with ...

9

3DFT MR angiography of carotid and basilar arteries

3DFT MR angiography of carotid and basilar arteries

... C, 30FT nonsaturation with contiguous 1.25-mm axial images shows narrowed left internal carotid artery short straight arrow, large dissecting aneurysm curved arrow, and fine, low-signal [r] ...

9

Follow Up of Coiled Cerebral Aneurysms at 3T: Comparison of 3D Time of Flight MR Angiography and Contrast Enhanced MR Angiography

Follow Up of Coiled Cerebral Aneurysms at 3T: Comparison of 3D Time of Flight MR Angiography and Contrast Enhanced MR Angiography

... MRA at 3T was performed on an Intera Scanner (Philips Medical Systems, Best, the Netherlands) by using a sensitivity-encoding (SENSE) head coil. Unenhanced 3D TOF MRA and CE-MRA were performed during the same imaging ...

7

Show all 8660 documents...

Related subjects