a 36-year-old woman, diagnosed with systemic lupus erythematosus (sle), showed bulbar symptoms including impaired memory, slurred speech and swallowing difficulty 7 days before admission. magnetic resonance imaging (mri) showed symmetric confluent hyperintensities in the bilateral cerebral white matter on t2 weighted imaging (t2-wi), extended into the genu of the internal capsule and the crus c...

It accounts for 0.04% of the malignant tumors and about 8% of all the primary sarcomas of the breast (1, 2). In many cases, these tumors are discovered in young women during pregnancy or when they are breast-feeding. The coexistence of pregnancy may delay the diagnosis. To date, there are only a few reports on the MRI studies of angiosarcoma (3, 4). We investigated a case of primary angiosarcom...

BACKGROUND AND PURPOSE Elevated relative regional cerebral blood volume (rCBV) reflects the increased microvascularity that is associated with brain tumors. The purpose of this study was to investigate the potential role of rCBV in the determination of recurrent/residual disease in patients with treated gliomas. METHODS Thirty-one rCBV studies were performed in 19 patients with treated glioma...

BACKGROUND AND PURPOSE MR imaging features are nonspecific with respect to the causative organism for patients with brain abscesses. On the basis of the hypothesis that the biochemical environment depends on the infecting organism and might be different in tuberculous compared with pyogenic brain abscesses, this study attempted to determine whether pyogenic brain abscesses can be differentiated...

Introduction Magnetic resonance spectroscopy provides the noninvasive detection of a number of important cellular metabolites and has become a valuable research and clinical tool to monitor normal and abnormal metabolism in the newborn brain [1-20]. Both phosphorus and proton MRS have been applied in pediatric studies, with the majority of the studies being proton MRS due to its greater inheren...

We describe fluid attenuated inversion recovery sequence MRI and proton MR spectroscopy appearances of the brain in a 7-year old Saudi boy who presented with the clinical features of Hallervorden-Spatz disease to King Fahad National Guard Hospital, Riyadh, Kingdom of Saudi Arabia.

CS is an autosomal recessive multisystem disorder, which is mainly characterized by neurologic and sensory impairment, cachectic dwarfism, and photosensitivity. We describe the neuroimaging features (MR imaging, ¹H-MR spectroscopy, and CT) in the various clinical subtypes of CS from a cohort of genetically and biochemically proved cases. Hypomyelination, calcifications, and brain atrophy were t...

PURPOSE Our aims were to evaluate the metabolic profiles of pediatric brain tumors with short echo time (TE) MR spectroscopy and absolute quantitation of metabolite concentrations (in mmol/kg of tissue) and to describe metabolic features that distinguish individual tumor types and that may help to improve preoperative diagnosis of specific tumors. METHODS MR imaging examinations of 60 patient...

PURPOSE To determine the degree of extraneous lipid contamination in defined volumes of interest studied with single-volume proton MR spectroscopy. METHODS Single-volume proton MR spectroscopy was performed on a fat/water phantom and in three volunteers using the stimulated-echo acquisition mode (STEAM) and point-resolved spectroscopy (PRESS) localization methods. Three different volumes of i...