Quiz: MR Spectroscopy 3

Objectives: This lecture outlines the current scope of clinical MRS and details the obstacles to more widespread clinical implementation of the approach, as well as outlining prospects for overcoming some of these obstacles.

1. In which case is MR spectroscopy thought to be particularly clinically useful?*

Metabolic disease
Multiple sclerosis
Stroke
Tumor localization

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2. Which one is considered to be a main problem for clinical use of MR spectroscopy in the speaker’s opinion even though there are already approaches available to solve it?*

MRS is too time consuming
Automation and standardization
Availability of experts
Reimbursement

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3. What is often a major source of artifacts in MR spectroscopy even though there are technical methods to correct for it?*

Shimming
Baseline distortions
Patient motion
Pulse imperfections

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4. What is an acceptable standard for water suppression?*

Molecular imaging at similar sensitivity levels in vivo compared to PET
Observation of fast metabolic conversion processes in vivo in real time
Observation of steady-state enzyme kinetics
Large enhancement in spatial resolution for ¹H MRS

Jump to the relevant part of the video for question 4: