## Abstract Twelve patients with a high suspicion of brain metastases by previous clinical or radiologic examinations were studied in a phase III investigation with magnetic resonance (MR) imaging at 1.5 T after a bolus intravenous injection of 0.1 mmol/kg gadoteridol followed at 30 minutes by a se
NMR imaging of congenital intracranial germinal layer neoplasms
β Scribed by H. D. Davidson; T. Ouchi; R. E. Steiner
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 286 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0028-3940
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β¦ Synopsis
NMR images in five patients with surgically proved, congenital germinal layer intracranial neoplasms (two dermoid and three epidermoid tumors) were reviewed. The dermoids were typically midline (suprasellar or parapineal) masses with sharply-defined margins. Relaxation times were variable, but if fat was present, T1 was decreased, and T2 was increased. The epidermoids were off the midline (cerebellopontine angle, temporal lobe, frontal lobe) masses with generally long T1 and T2 relaxation times. Obstructive hydrocephaly was noted in one patient, and tumor to ventricular communication was demonstrated in another.
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## Abstract Patients with intracranial tumors (gliomas) were examined by means of localized waterβsuppressed ^1^H NMR single volume spectroscopy and spectroscopic imaging. The ^1^H NMR spectra of the tumors exhibit signal intensities of the Nβacetyl aspartate, choline compounds, and creatine plus p