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Result : Searchterm 'Slice' found in 19 terms [] and 159 definitions []
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Searchterm 'Slice' was also found in the following services: 
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Slice Overlap ArtifactInfoSheet: - Artifacts - 
Case Studies, 
Reduction Index, 
etc.MRI Resource Directory:
 - Artifacts -
 
Quick Overview
Artifact Information
NAME
Slice overlap
DESCRIPTION
Loss of signal
REASON
HELP
Overlapping prevention
The slice overlap artifact is another name for crosstalk artifact. If slices of multislice acquisitions are overlapping, the spinning nuclei belonging to more than one slice getting multiple times saturated, which leads to signal loss in this areas.
mri safety guidance
Image Guidance
This problem occurs often in cervical or lumbar spine MRI, when scanning each disc with multi angle oblique technique. If prevention of overlapping is not possible, try to position the saturated region posterior to the spinal canal, outside the region of interest.

See also Crosstalk (Crosstalk), and Multiple Slice Imaging.
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Further Reading:
  Basics:
Slice-overlap Artifacts
   by www.mritutor.org    
Searchterm 'Slice' was also found in the following services: 
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Radiology  (24) Open this link in a new windowUltrasound  (9) Open this link in a new window
Spacing between SlicesInfoSheet: - Sequences - 
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Overview, 
Types of, 
etc.
 
The not measured distance between the slices. For some sequences there is a slightest space of e.g. 10-20% necessary. A lower spacing can introduce more noise into adjoining slices.
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MRI Resources 
Musculoskeletal and Joint MRI - Most Wanted - Functional MRI - Absorption and Emission - Jobs - Guidance
 
Gradient Echo Multi SliceInfoSheet: - Sequences - 
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Overview, 
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etc.
 
(GEMS) This pulse sequence uses a changeable flip angle instead of a 90° pulse and a gradient instead of a RF pulse to rephase the FID.
T2*, T1 weighted and proton density images can be acquired. The flip angle in combination with the TR determines the T1 weighting and the TE controls the amount of dephasing. To minimize T2* the echo time should be short.

See also Gradient Echo Sequence.
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Searchterm 'Slice' was also found in the following services: 
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Entry Slice Phenomenon (Artifact)InfoSheet: - Artifacts - 
Case Studies, 
Reduction Index, 
etc.MRI Resource Directory:
 - Artifacts -
 
Quick Overview
Artifact Information
NAME
Entry slice phenomenon
DESCRIPTION
Bright signals in blood vessels at the first slice
REASON
Unsaturated spins
The entry slice phenomenon arise in MRI when blood with unsaturated spins flows in the observed slice(s). These spins will emit a strong signal, because of their unsaturated status (flow related enhancement). The number of slices affected depends on the flow velocity and the slice thickness; the direction of flow determines which slices are affected. Time of Flight MRA is based on this entry slice phenomenon.

See also Flow Compensation, Flow Related Enhancement, Artifact Overview and Artifacts Reduction Index.
 
Images, Movies, Sliders:
 TOF-MRA Circle of Willis Inverted MIP  Open this link in a new window
    

 
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Further Reading:
  News & More:
Troubleshooting the ACR MRI Accreditation Phantom Tests
   by www.aapm.org    
Searchterm 'Slice' was also found in the following services: 
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Contiguous Slice Multi Echo MultiplanarInfoSheet: - Sequences - 
Intro, 
Overview, 
Types of, 
etc.MRI Resource Directory:
 - Sequences -
 
(CSMEMP) MR imaging pulse sequence in which signals for multiple contiguous slices at multiple echoes are collected.
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