Contrast Material
Comparison of single and triple dose contrast material in the MR screening of brain metastases
... of contrast material ...single-dose contrast material with a short-TR spin-echo MT technique produced the same relative contrast improvement as was seen on the triple-dose ...
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Effects of contrast material on computed tomographic measurements of lung volumes in patients with acute lung injury
... of contrast material shifted the volumic distribution of CT attenuation toward higher values, suggesting an increase in extravascular lung ...of contrast material in the vascular ...of ...
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Intracranial Aneurysms Treated with Guglielmi Detachable Coils: Is Contrast Material Necessary in the Follow up with 3D Time of Flight MR Angiography?
... Some authors have suggested the use of a short TE to minimize the intravoxel spin-dephasing artifacts (2, 3). Thus, Go¨nner et al (3) have shown that use of an ultrashort TE, 3D TOF sequence may reduce the GDC-induced ...
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Myasthenic crisis following iodinated contrast material (iohexol) aspiration: a case report
... the contrast material had directly en- tered his right main bronchus, the procedure was abandoned and he was transferred to the accident and emergency treatment unit ...to contrast aspiration was ...
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Visualization of Intravenously Administered Contrast Material in the CSF on Fluid AttenuatedInversion Recovery MR Images: An In Vitro and Animal Model Investigation
... linium-based contrast material, T1 shortening was evident in vitro at concentrations in fluid above ...gadolinium contrast into the CSF, and Luz- zani et al (9) studied this in ...
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Cerebral CTA with Low Tube Voltage and Low Contrast Material Volume for Detection of Intracranial Aneurysms
... and contrast material-in- duced nephropathy caused by CTA have received extensive atten- FIG ...of contrast agent in a 50-year-old ...of contrast agent in a 46-year-old ...
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Preangiographic Evaluation of Spinal Dural Arteriovenous Fistulas with Elliptic Centric Contrast Enhanced MR Angiography and Effect on Radiation Dose and Volume of Iodinated Contrast Material
... nonionic contrast agent into all segmental arteries from the supreme intercostal artery to the median sacral arteries with anteroposterior imaging at a rate of 2– 4 frames per ...nonionic contrast agent ...
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Contrast Enhanced Spiral CT of the Head and Neck: Comparison of Contrast Material Injection Rates
... of contrast material ...of contrast agent administered immediately before the delayed scanning sequence might optimize tis- sue enhancement on delayed ...of contrast agent (and radiation ...
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The Effect of Contrast Material on Transcranial Doppler Evaluation of Normal Middle Cerebral Artery Peak Systolic Velocity
... in contrast-enhanced middle cerebral artery PSV compared with baseline PSV were statistically significant, a one-sample t test for differences be- tween means was performed on the initial and maximum PSV values ...
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Delineation of gliomas with various doses of MR contrast material
... Similarly, on magnetic resonance MR imaging with a 0.1 mmol/kg dose of contrast material, tumor enhancement tends to be localized within the zone of apparent signal abnormality demonstra[r] ...
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Effects of Contrast Material on Single volume Proton MR Spectroscopy
... after contrast administration, when the magnetic susceptibility effects would probably be significantly ...after contrast admin- ...by contrast administration, because it is more sensitive to T2* ...
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Usefulness of contrast material in MR of patients with neurofibromatosis type 1
... effect. Contrast enhancement was considered to be diagnostic for tumor because areas of probable myelin vacuolization do not ...images. Contrast material was given intravenously at a standard dose of ...
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Committee on Radiology Water-Soluble Contrast Material
... Frech RS, McAlister WH, Ternberg J, Strominger D: Meconium ileus relieved by 40 percent water soluble contrast enemas. Reich SB: Production of pulmonary edema by aspiration of water solu[r] ...
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Evaluation of CSF shunt function: value of functional examination with contrast material
... Functional positive-contrast shuntography includes a patency check of both limbs of the shunt and the shunt valve by fluoroscopy following the injection of an iodinated contrast agent an[r] ...
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Improved Imaging of the Cervico Thoracic Junction in Computed Tomography
... For the diagnosis of the lower neck by CT examination in the swimmers position, the quality of images and the efficacy of diagnosis, especially at the cervico-thoracic junction area, were drasti- cally improved in both ...
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The prevention of anaphylactoid reactions to iodinated radiological contrast media: a systematic review
... iodinated contrast material, including corticosteroids and H1 and H2 ...non-ionic contrast is almost ...non-ionic contrast, many radi- ologists continue to use prophylactic medication to pre- ...
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Arterial Dissections Complicating Cerebral Angiography and Cerebrovascular Interventions
... RESULTS: Each of nine dissections affected a vertebral artery, each of two affected an internal carotid artery, and one affected a common carotid artery. The prevalence of iatrogenic dissections was 0.4%. Seven of the ...
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MR Findings of Cortical Blindness Following Cerebral Angiography: Is This Entity Related to Posterior Reversible Leukoencephalopathy?
... in contrast-enhanced angiographic ...following contrast material injections sug- gests they may share a common pathophysiology of disruption of the blood-brain barrier with resultant reversible ...
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Assessment of extradural degenerative disease with Gd DTPA enhanced MR imaging: correlation with surgical and pathologic findings
... The mechanism of enhancement of the epidural space and peridiskal region appears to be related to accumulation of contrast material within the epidural venous plexus, as well as to epidu[r] ...
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THERAPEUTIC EMBOLIZATION OF BRONCHIAL ARTERY FOR MASSIVE HEMOPTYSIS
... sponsible for hemoptysis was performed unless a spinal cord artery branch was detected on the selective arter iogram. Either Urografin or Angiografin was used as the contrast material. The amount of ...
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