Why OASIS for Neurology?

Strategically designed with technologists and physicians in mind, Oasis provides a high-quality system with an innovative solution for processing, 3D image rendering, fusion display, and in-depth quantitative analysis available for our various neurology applications.

  • Support of all major cerebral tracers—HMPAO, ECD, FDG (Currently only FDG is approved for clinical use June 2022)
  • Uses templates for PET and SPECT, and affine registration, to map the patient brain to the Montreal (MNI) space
  • Montreal Neurological Institute’s mapping of functional regions
  • Patient brain is compared to 20 normal subjects closest in age
  • Choice of normalization methods: to max in Cortex, max in Cerebellum, histogram, etc.
  • Two methods of analysis: cortical surface profile (with adjustable depth) and voxel by voxel
  • 3D surface rendering display of results, with color-coded deviation from normal
  • Right to Left comparison
  • Slice display, with color-coded deviation from normal
  • Excel sheets containing exhaustive presentation of the extent and severity of perfusion defects in all functional areas, right and left, and R/L asymmetry index
  • Fusion with MRI data; if the patient does not have an MR series, a template is used

CerQuant

  • Cerquant
  • Cerquant
  • Cerquant

CerSPECT

Qualitative reviews of Brain SPECT and PET studies

  • Chang Attenuation Correction
  • Integrated reconstruction of raw projection data using FBP or OSEM
  • Standardized orthogonal slice displays
  • Display functions: triangulation, window leveling, color-scale
    selection, slice alignment, cine controls, zoom, pan, magnify, colorize
  • Specialized light-box displays including temporal lobe slices
  • Maximum intensity projections
  • Multi-threshold 3D iso-contour displays for improved visualization of areas of hypo- and hyper perfusion
  • Study comparisons (baseline/activation, Diamox protocol, follow-up)
  • Compatibility with most acquisition protocols (matrix size)
  • Customized layouts through display scripts.

SISCOM™

Neuroimaging for Epilepsy
  • Comparison of Ictal and Inter-ictal SPECT images
  • Automatic co-registration of SPECT images with MRI
  • Display delta results of registered Images
  • Fuse/Superimpose delta images with MRI
  • Displays precise anatomic location of seizure focus prior to surgery
  • In absence of MRI, can be used to evaluate Brain SPECT Images and its Delta

DaTScan™

Visualization and semi-quantitative neuroimaging for Parkinson’s Disease

  • Measures Dopamine Receptors (DaT) for diagnosis and evaluation of Parkinson’s disease
  • Visualization tool for detecting Dopamine Receptors
  • Also includes novel resolution independent quantitative assessment
  • Automatic elastic transformation into sterotactic atlas(Talairach)
  • Standardized orthogonal slice displays
  • Display functions: triangulation, window leveling, color-scale selection, slice alignment, cine controls, zoom, pan, magnify, colorize
  • Cortical perfusion mapping on 3D surface images
  • Comparison with Normals database for Tc99m-HMPAO (Ceretec), ECD and FDG studies available
  • Predefined structures, arterial terrains, and Broadmann areas for quantitative analysis
  • Automatic co-registration with MRI
  • Study comparison (baseline/activation, Diamox protocol, follow-up) with normalized subtraction displays
  • Compatibility with most acquisition protocols (matrix size)
  • Customized layouts through display scripts.

NeuroGam™

Quantitative analysis for Brain Perfusion SPECT and PET studies

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