Proton mr spectroscopy
Proton MR spectroscopy of the brain in 14 patients with Parkinson disease
... (“Proton MR Spectroscopy of the Striatum in Patients with Parkinson’s Disease,” presented at the Eleventh Annual Meeting of the Society for Magnetic Res- onance in Medicine, Berlin 1992) have ...
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Proton MR Spectroscopy in Patients with Acute Temporal Lobe Seizures
... by proton MR spectroscopy in several brain ...by proton MR spectroscopy implies a poor prognosis, regardless of the underlying cause, and most of these patients are likely to die ...
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Higher Field Strength for Proton MR Spectroscopy
... At 1.5 T, metabolite ratios of moderately cogni- tively impaired patients fell, as expected, between the elderly control subjects and those with Alzheimer disease, an additional indication of the intermediate nature of ...
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Proton MR spectroscopy in acute middle cerebral artery stroke
... time-of-flight MR angiography of the carotid artery bifurcation (series 3) and intracranial vessels (series 4) in the region of the circle of ...spin-echo MR images (400/20/1 [repetition time/echo ...
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Proton MR Spectroscopy in Wilson Disease: Analysis of 36 Cases
... BACKGROUND AND PURPOSE: Wilson disease (WD) is rare but one of the few metabolic disorders that can possibly benefit from effective available treatments. The literature regarding proton MR ...
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Proton MR Spectroscopy of Tumefactive Demyelinating Lesions
... pearing contralateral brain. In some patients, how- ever, the Cho/Cr ratio demonstrated a prominent elevation, which suggested that different degrees of inflammation or membrane proliferation in reactive astrocytes may ...
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The value of proton MR spectroscopy in pediatric metabolic brain disease
... with proton MR spectroscopy, which revealed elevated lactate within gray matter, especially at the sites of recent onset of elevated T2 signal intensity ...negative MR imaging findings had ...
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Proton MR spectroscopy and neuropsychological testing in adrenoleukodystrophy
... of proton MR ...single-voxel proton MR spectroscopy and neuropsychological ...CONCLUSION: Proton MR spectros- copy could be a useful noninvasive tool to evaluate extent of ...
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Proton MR spectroscopy of pediatric cerebellar tumors
... The metabolite ratios observed in control cer- ebellum spectra are distinct from those of the tumor spectra. Proton MR spectroscopy of nor- mal cerebellum have been reported (47, 54 – 57). The ...
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Characterization of intracranial mass lesions with in vivo proton MR spectroscopy
... (9). Proton MR spectroscopy–visible Cho-containing com- pounds include acetyl choline, glycerophos- phocholine, and phosphocholine ...in proton MR spectroscopy of intracra- nial ...
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Noninvasive evaluation of malignancy of brain tumors with proton MR spectroscopy
... Our results also showed that recurrent and new meningiomas had different Cho levels. Ott et al (7) reported that malignant meningiomas had higher Cho/Cre ratios than did benign men- ingiomas. In our patients with ...
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Developmental Delay in Children: Assessment with Proton MR Spectroscopy
... with proton MR spectroscopy because this emerging noninvasive MR modality is now in more routine clinical use and provides unique information regarding in vivo brain metabolism and neuronal ...
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Development and Aging of the Cerebrum: Assessment with Proton MR Spectroscopy
... of proton signals from water that were sup- pressed ...voxel proton MR spectroscopy provided better sig- nal-to-noise ratio, since it is possible to define sig- nal sources from a wide area of ...
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In Vivo Proton MR Spectroscopy of Untreated and Treated Brain Abscesses
... vivo proton MR spectroscopy (2, ...vitro MR spectroscopic examinations were ...that MR spectroscopy might be of additional value to mor- phologic methods in the diagnosis of ...
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Effects of Contrast Material on Single volume Proton MR Spectroscopy
... Proton MR spectroscopy has gained more wide- spread use in clinical settings as commercial soft- ware has become more available and reimburse- ment more ...that MR spec- troscopy should be ...
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Clinical applications of proton MR spectroscopy
... By MR imaging, approximately 43% of pa- tients with neurofibromatosis type 1 will show areas of increased T2 signal intensity in the brain ...by MR imaging alone. We have successfully used proton ...
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MR imaging and localized proton MR spectroscopy in late infantile neuronal ceroid lipofuscinosis
... a decreased NAA signal and an increased Cho signal. In the posticteral state, proton MR spectroscopy ad- ditionally detects lactate (17). The nearly unchanged Cho/Cr ratio and the absence of lactate ...
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Proton MR spectroscopy of childhood adrenoleukodystrophy
... of proton MR spectroscopy to monitor patients with child- hood-onset cerebral adrenoleukodystrophy ...Single-voxel MR spectros- copy was performed in 16 children with COCALD (24 examinations) ...
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Localized Proton MR Spectroscopy of the Allocortex and Isocortex in Healthy Children
... Because the T1 and T2 relaxation times of major brain metabolites do not show significant regional differences in the cerebral cortex of healthy sub- jects (8, 14) and because NAA is generally ac- cepted as a neuronal ...
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Proton MR Spectroscopy and MRI Volumetry in Mild Traumatic Brain Injury
... MATERIALS AND METHODS: Twenty patients (11 male, 9 female; age range, 19 ⫺ 57 years; median, 35 years) with mTBI (Glasgow Coma Scale score 13 ⫺ 15 with loss of consciousness for at least 30 seconds) and 19 age- and ...
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