Advanced MRI Clinical Practice: Brain Imaging

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Questions and Answers

What type of MPR reformatted planes does IAC's have?

  • Sagittal, Coronal and Axial (correct)
  • Only Coronal
  • Only Sagittal
  • Only Axial

What is the sequence used for Pituitary Sella post-op?

  • Dynamic T1 Fat Sat (FS)
  • T1 cor HR (sml FOV)
  • T1 sag HR (sml FOV) (correct)
  • T2 axial brain

What is the sequence used for microadenoma?

  • T1 cor C+ FS (sml FOV)
  • T1 axial brain (suprasella only)
  • Dynamic T1 Fat Sat (FS) pre, 0, 1, 2 & 3 min. (correct)
  • T1 sag C+ FS (sml FOV)

What type of sequence is used for paediatric brains?

<p>SE's only (A)</p> Signup and view all the answers

What is the most likely diagnosis if MRS is performed on globus pallidus?

<p>Hypoxic Ischaemic Encephalopathy (HIE) (A)</p> Signup and view all the answers

What happens to water content in the neonatal brain during the first few weeks of life?

<p>It decreases markedly (C)</p> Signup and view all the answers

What changes occur in the brain during the first few weeks of life?

<p>Longitudinal and transverse decay times increase in grey matter (C)</p> Signup and view all the answers

What is the sequence used for T1 axial IAC's?

<p>T1 axial IAC's (C- &amp; C+) (D)</p> Signup and view all the answers

What is the sequence used for Pituitary Sella?

<p>T1 sag HR (sml FOV) (B)</p> Signup and view all the answers

What is the most likely diagnosis if MRS is performed on globus pallidus and occipital lobe?

<p>Leukodystrophy (D)</p> Signup and view all the answers

Flashcards

What types of reformatted planes does IAC's have?

Sagittal, Coronal, and Axial

What sequence is used for Pituitary Sella post-op?

T1 sag HR (small Field of View)

What is the sequence used for microadenoma?

Dynamic T1 Fat Sat with a minimum of 5 time points (pre, 0, 1, 2, and 3 minutes)

What type of sequence is used for pediatric brains?

Spin-Echo (SE) sequences only

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What is the most likely diagnosis if MRS is performed on globus pallidus?

Hypoxic Ischaemic Encephalopathy (HIE)

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What happens to water content in the neonatal brain during the first few weeks of life?

Water content decreases significantly

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What changes occur in the brain during the first few weeks of life?

Longitudinal and transverse decay times increase in grey matter

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What sequence is used for T1 axial IAC's?

T1 axial IAC's (C- & C+)

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What sequence is used for Pituitary Sella?

T1 sag HR (small Field of View)

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What is the most likely diagnosis if MRS is performed on globus pallidus and occipital lobe?

Leukodystrophy

Signup and view all the flashcards

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