Susceptibility‐weighted imaging to visualize blood products and improve tumor contrast in the study of brain masses

  title={Susceptibility‐weighted imaging to visualize blood products and improve tumor contrast in the study of brain masses},
  author={Vivek Sehgal and Zachary Delproposto and Djamel Haddar and E. Mark Haacke and Andrew E. Sloan and Lucia J. Zamorano and Geoffery Barger and Jiani Hu and Yingbiao Xu and Karthik Prabhakaran and Ilaya Raja Elangovan and Jaladhar Neelavalli and J{\"u}rgen R. Reichenbach},
  journal={Journal of Magnetic Resonance Imaging},
To evaluate the diagnostic value of susceptibility‐weighted imaging (SWI) for studying brain masses. 
Detection of normal spinal veins by using susceptibility‐weighted imaging
To evaluate the visualization of the spinal veins using susceptibility‐weighted imaging (SWI), the objective was to establish an experimental procedure and show clear results on the basis of animal studies and human trials.
MR venography of the fetal brain using susceptibility weighted imaging
To evaluate the feasibility of performing fetal brain magnetic resonance venography using susceptibility weighted imaging (SWI), a novel and scalable approach is proposed that combines X-ray diffraction and Evans-Bouchut–Wirk technique.
Association between contrast‐enhanced MR images and blood–brain barrier disruption following transcranial focused ultrasound
To investigate the correlation between the contrast‐enhanced magnetic resonance imaging (MRI) signal and the duration of blood–brain barrier (BBB) disruption induced by focused ultrasound (FUS), a comparison study using MRI and FUS data is presented.
Multilayer appearance on contrast‐enhanced susceptibility‐weighted images on patients with brain abscesses: Possible origins and effects of postprocessing
To demonstrate the presence of a multilayer appearance of the capsule on contrast‐enhanced (CE) susceptibility‐weighted imaging (SWI) in patients with pyogenic brain abscesses. Possible origins for
Poster: "ECR 2012 / C-0794 / SUSCEPTIBILITY WEIGHTED IMAGING IN GRADING OF CEREBRAL GLIOMAS- A New  Perspective" by: "R. Balaji; Chennai/IN"
Susceptibility weighted imaging in the evaluation of cerebral astrocytic tumors
Poster: "ECR 2010 / C-2662 / Susceptibility weighted imaging in the evaluation of cerebral astrocytic tumors" by: "X. Hong1, M. Yue1, Y. Dai2, D. Wang1; 1Nanjing/CN, 2Shanghai/CN"
MR susceptibility weighted imaging (SWI) complements conventional contrast enhanced T1 weighted MRI in characterizing brain abnormalities of Sturge‐Weber Syndrome
To evaluate the efficacy of susceptibility weighted imaging in comparison to standard T1 weighted postgadolinium contrast (T1‐Gd) MRI in patients with Sturge‐Weber Syndrome (SWS), SWI is used as a surrogate for MRI in these patients.
Noncontrast‐enhanced magnetic resonance angiography and venography imaging with enhanced angiography
To achieve simultaneous high‐resolution magnetic resonance angiography and venography (MRAV) imaging in terms of enhanced time‐of‐flight (TOF) angiography and susceptibility‐weighted imaging (SWI),
Variations of ITSS‐Morphology and their Relationship to Location and Tumor Volume in Patients with Glioblastoma
Susceptibility weighted imaging and assessment of intratumoral susceptibility signal (ITSS) morphology is used to identify high‐grade glioma (HGG) in patients with suspected brain neoplasm.
Contrast‐enhanced susceptibility weighted imaging with ultrasmall superparamagnetic iron oxide improves the detection of tumor vascularity in a hepatocellular carcinoma nude mouse model
To evaluate the effectiveness of contrast‐enhanced susceptibility‐weighted imaging with ultrasmall superparamagnetic iron oxide (USPIO‐enhanced SWI) in the assessment of intratumoral vascularity in


Enhanced gray and white matter contrast of phase susceptibility‐weighted images in ultra‐high‐field magnetic resonance imaging
To evaluate if magnetic susceptibility sensitive phase postprocessed images can be used to enhance the inherent brain/gray white matter contrast in gradient echo (GE) images at 8‐Tesla (T) magnetic
Automated unwrapping of MR phase images applied to BOLD MR‐venography at 3 Tesla
To improve the diagnostic value of BOLD MR‐Venography by removing artifacts related to phase wrapping, particularly in regions of large background susceptibilities at high magnetic field strengths.
Small vessels in the human brain: MR venography with deoxyhemoglobin as an intrinsic contrast agent.
To assess a magnetic resonance (MR) imaging method for depicting small veins in the brain, a three-dimensional, long echo time, gradient-echo sequence that depended on the paramagnetic property of
Clinical applications of neuroimaging with susceptibility‐weighted imaging
Susceptibility‐weighted imaging is currently being tested in a number of centers worldwide as an emerging technique to improve the diagnosis of neurological trauma, brain neoplasms, and neurovascular diseases because of its ability to reveal vascular abnormalities and microbleeds.
Susceptibility-based imaging of glioblastoma microvascularity at 8 T: correlation of MR imaging and postmortem pathology.
The pilot data suggest that microvascularity in GBM can be identified by use of high-resolution, GE, 8-T MR imaging.
Susceptibility-induced changes in signal intensity from spin-echo versus gradient-echo sequences.
Gliomas: correlation of magnetic susceptibility artifact with histologic grade.
Susceptibility artifacts on T2*-weighted gradient-echo MR images appear to be valuable in the preoperative evaluation of gliomas.
High‐resolution BOLD venographic imaging: a window into brain function
Using this method it is possible to visualize draining veins in lesions better than conventional magnetic resonance imaging methods, which often require application of a contrast medium or even conventional catheter angiography, and it may even offer the possibility of differentiating benign from malignant tumors non‐invasively.
MR high-resolution blood oxygenation level-dependent venography of occult (low-flow) vascular lesions.
Preliminary results for 10 patients show that HRBV is more sensitive in detecting cavernomas than is T2-weighted imaging, and lesions that are presumed to be telangiectasias are detected only with this technique.
High-Resolution MR Venography at 3.0 Tesla
Investigating the visualization of small venous vessels in the normal human brain at a field strength of 3 Tesla offers the possibility of improved resolution and the delineation of smaller vessels compared with lower field strengths.