4.2 RESULTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 4.2.1 1H MR spectroscopy of SW620 cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 4.2.1.1 Assignment of 1D and 2D proton MR spectra . . . . . . . . . . . . . . 98 4.2.2 SW620 cells treated with sodium butyrate . . . . . . . . . . . . . . . . . ....

Prostate cancer is one of the most prevalent cancers among males, and the use of magnetic resonance imaging (MRI) has been suggested for its detection. A framework is presented for scoring and visualizing various MR data in an efficient and intuitive manner. A classification method is introduced where a cumulative score volume is created which takes into account each of three acquisition types....

BACKGROUND AND PURPOSE There are no reliable markers to predict neurologic outcome of patients with mucopolysaccharidosis (MPS) II. We hypothesized that brain MR imaging and MR spectroscopy are useful in depicting features related to cognitive impairment (CI) in MPS II. MATERIALS AND METHODS Nineteen male patients with MPS II were included in this study. They were evaluated through intelligen...

Magnetic resonance (MR) spectroscopy is an analytical method used in chemistry that enables the identification and quantification of metabolites in samples. It differs from conventionalMR imaging in that spectra provide physiologic and chemical information instead of anatomy. MR spectroscopy and MR imaging have their origin in nuclear magnetic resonance (NMR). NMR was first described in 1946 si...

The study by Nakae et al. (1) in this issue of the Journal presents compelling evidence suggesting a role for (nuclear) magnetic resonance (MR) spectroscopy to assess heart failure in the future. No longer relegated clinically to only providing finely detailed anatomical images, the full potential of MR techniques is the ability to visualize biochemical and physiological processes. With respect...

Brain abscesses and brain tumors may have similar clinical presentations. For example, only 50% brain abscess patients have fever, which could be masked by corticosteroid therapy. Also, the differential diagnosis of brain abscesses versus cystic or necrotic tumors may be difficult based on computed tomography (CT) or magnetic resonance (MR) imaging findings. However, the strategies of managemen...

we report a 73-year-old woman with primary left atrial rhabdomyosarcoma and its 1h mr spectroscopy (mrs) findings. the tumor showed a 2.8 cm sized lesion in the posteroinferior atrial wall on mri. 1h mr spectra were acquired using a point-resolved spectroscopy (press) sequence with electrocardiographic (ecg) gating and respiratory motion. the use of 1h-mrs allowed the quantification of triglyce...

BACKGROUND AND PURPOSE Metabolites in pyogenic brain abscesses, as detected with in vivo proton MR spectroscopy, are different from those found in brain and can help differentiate pyogenic brain abscesses from necrotic neoplasms. We compared the findings of in vivo with those of in vitro MR spectroscopy and categorized the MR spectral patterns with respect to the causative organisms and abscess...

BACKGROUND AND PURPOSE Brain temperature is determined by the balance between heat produced by cerebral energy turnover and heat removed by cerebral blood flow. The purpose of the present study was to investigate whether brain temperature measured noninvasively using proton MR spectroscopy can detect cerebral hemodynamic impairment in patients with unilateral chronic internal carotid or middle ...

BACKGROUND AND PURPOSE DW-MR spectroscopy can detect the diffusion coefficients of NAA, Cr, PCr, and Cho and can, therefore, provide some useful information. The aims of this study were to probe the mechanisms underlying the pathogenesis of MELAS and to see whether DW-MR spectroscopy is a useful technique for other diseases besides cerebral infarction. MATERIALS AND METHODS Fifteen healthy vo...