Brain Radiation-Related Black Dots on Susceptibility-Weighted Imaging
نویسندگان
چکیده
منابع مشابه
Abnormalities on Brain Susceptibility-weighted Imaging in Neuro-Sweet Disease
An 81-year-old woman presented with a one-week history of pyrexia (38.6°C), headache, acalculia, and hemianopia. Laboratory examinations revealed an elevated leukocyte count (10,000/mm), neutrophil count (8,200/mm), and erythrocyte sedimentation rate (43 mm/h). CSF study revealed pleocytosis (33/mm) and an elevated protein level (402 mg/dL). MRI showed leptomeningeal gadolinium enhancement (arr...
متن کاملSusceptibility-weighted imaging and quantitative susceptibility mapping in the brain.
Susceptibility-weighted imaging (SWI) is a magnetic resonance imaging (MRI) technique that enhances image contrast by using the susceptibility differences between tissues. It is created by combining both magnitude and phase in the gradient echo data. SWI is sensitive to both paramagnetic and diamagnetic substances which generate different phase shift in MRI data. SWI images can be displayed as ...
متن کاملSusceptibility weighted imaging (SWI) in children with brain stem glioma during combined antiangiogenic and radiation therapy
Introduction: The outcome of children with brainstem (BS) glioma remains dismal with long term survival <10% using standard treatment, i.e. local radiation therapy (RT) [1]. Diffuse BS gliomas correspond histologically to infiltrative gliomas, oftentimes harboring higher grade components, which are believed to characterized by increased vascularization and due to intense angiogenesis. VEGFR-2 (...
متن کاملSusceptibility weighted imaging (SWI).
Susceptibility differences between tissues can be utilized as a new type of contrast in MRI that is different from spin density, T1-, or T2-weighted imaging. Signals from substances with different magnetic susceptibilities compared to their neighboring tissue will become out of phase with these tissues at sufficiently long echo times (TEs). Thus, phase imaging offers a means of enhancing contra...
متن کاملMagnetic susceptibility-weighted MR phase imaging of the human brain.
BACKGROUND AND PURPOSE MR gradient echo imaging is sensitive to the magnetic susceptibility of different tissue types. The purpose of this study was to investigate the diagnostic potential of MR phase imaging of the human brain. METHODS High-spatial-resolution, T2*-weighted, single-echo images were acquired in five volunteers and one patient with a brain tumor on a 1.5T system by applying a 3...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Neuroradiology Journal
سال: 2014
ISSN: 1971-4009,2385-1996
DOI: 10.15274/nrj-2014-10071