Zobrazeno 1 - 10
of 544
pro vyhledávání: '"S. K. Hilal"'
Publikováno v:
Journal of Magnetic Resonance, Series B. 107:235-241
Breakthrough of single-quantum coherence is shown to occur after application of a double-quantum filter with the conventional four-step phase-cycling scheme. This single-quantum breakthrough is due to the intersequence stimulated echo which has been
Autor:
E. T. Tali, William T. C. Yuh, John R. Marler, H. Nguyen, I. Mun, S. Hedges, Harold P. Adams, Thomas K. Tatemichi, Jay P. Mohr, S. K. Hilal, J. Biller, K. Grimsman
Publikováno v:
Stroke. 26:807-812
Background and Purpose This study was an attempt to determine whether CT and MRI are comparable or if one is superior to the other in the early detection of ischemic stroke or hematoma. Methods Patients with acute stroke were sought within 3 hours of
Autor:
Burton P. Drayer, R. A. Papke, Kenneth R. Maravilla, Anne G. Osborn, S. K. Hilal, Victor M. Haughton, D. Hyland
Publikováno v:
Investigative Radiology. 29:S94-S97
Rationale and objectives Iopromide is a new nonionic monomeric contrast medium for cerebral arteriography. This agent has been approved for sale in over 45 countries; however, it is still undergoing clinical review in the United States. This study ev
Publikováno v:
Journal of Magnetic Resonance, Series B. 103:59-63
Publikováno v:
Magnetic Resonance in Medicine. 28:290-299
An RF excitation technique with which one can improve the effective dynamic range of the receiver and reduce the interference between slices for 3D volume-selective multislice MRI is described. The basic idea of the technique is to use phase scrambli
Publikováno v:
IEEE Transactions on Nuclear Science. 38:770-775
A novel system and method of light coupling analysis and calibration for the 4*4 detector module of the Columbia University spherical PET (positron emission tomography unit) is discussed, and its performance is evaluated. The new features of the syst
Publikováno v:
AJNR Am J Neuroradiol
MR studies were correlated with biochemical results in nine children who presented with lactic acidosis and/or abnormal MR findings in the basal ganglia. Neurologic development was delayed in all nine children. Seven of these patients were diagnosed
Publikováno v:
AJNR Am J Neuroradiol
PURPOSE: To investigate the phenomenon of reversible increased signal intensity of medial temporal lobe structures and cerebral neocortex seen on MR images of six patients with recent prolonged seizure activity. METHODS: After excluding patients with
Publikováno v:
Cancer. 73(2)
Extraskeletal mesenchymal chondrosarcoma is a rare tumor characterized by undifferentiated mesenchymal cells with islands of mature hyaline cartilage. Considering all sites, long-term survival is approximately 30%. Only seven cases of orbital mesench
Publikováno v:
IEEE transactions on medical imaging. 13(1)
A new analytical three-dimensional cone beam reconstruction algorithm is presented for truncated spherical detection geometry. The basic idea of the proposed algorithm is the formation of spatially invariant 3D blurred back-projected volumetric image