NDLI: Comparison of magnetic resonance imaging sequences with computed tomography to detect low-grade subarachnoid hemorrhage: Role of fluid-attenuated inversion recovery sequence.

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Comparison of magnetic resonance imaging sequences with computed tomography to detect low-grade subarachnoid hemorrhage: Role of fluid-attenuated inversion recovery sequence.

Content Provider	Semantic Scholar
Author	Rocha, Antonio Jose Da Silva, Carlos Jorge Da Gama, Hugo Pereira Pinto Baccin, Carlos Eduardo Braga, Flávio Túlio Cesare, Fabiane De Araújo Veiga, José Carlos Esteves
Copyright Year	2006
Abstract	OBJECTIVES To compare computed tomography (CT) with magnetic resonance imaging (MRI) for the presumptive diagnosis and localization of acute and subacute low-grade subarachnoid hemorrhage (SAH). METHODS We consecutively enrolled 45 patients clinically suspected of low-grade SAH, comparing them with a control group. We obtained axial nonenhanced CT scans as well as fluid-attenuated inversion recovery (FLAIR) and T2-weighted gradient echo (T2) MRI sequences at 1.0 T. Two neuroradiologists scrutinized the presence of blood at 26 different regions in the intracranial subarachnoid space (SAS). RESULTS Three of 45 patients had normal CT and MRI scans, and SAH was excluded by lumbar puncture. We demonstrated SAH on CT scans in 28 of 42 (66.6%) patients, T2 sequences in 15 of 42 (35.7%) patients, and FLAIR sequences in 42 of 42 (100%) patients. Fluid-attenuated inversion recovery sequences were superior to CT in 16 of the 26 evaluated regions. CONCLUSIONS The FLAIR sequence was superior for presumptive diagnosis and localization of acute and subacute low-grade SAH, representing a potential tool in this setting.
Starting Page	295
Ending Page	303
Page Count	9
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://mri-q.com/uploads/3/4/5/7/34572113/da_rocha_comparison_of_magnetic_resonance_imaging_sequences.25.pdf
PubMed reference number	16628051v1
Volume Number	30
Issue Number	2
Journal	Journal of computer assisted tomography
Language	English
Access Restriction	Open
Subject Keyword	Entity Class - imaging modality Exclusion Fluid Attenuated Inversion Recovery Gradient Magnetic Resonance Imaging PET/CT scan Patients Puncture procedure S-Adenosylhomocysteine Spinal Puncture Subarachnoid Hemorrhage Subarachnoid Space X-Ray Computed Tomography
Content Type	Text
Resource Type	Article

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