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Related Experiment Videos

Cerebral infarctions: evaluation with single-axis versus trace diffusion-weighted MR imaging.

M Castillo1, S K Mukherji, D Isaacs

  • 1Department of Radiology, University of North Carolina School of Medicine, Chapel Hill 27599-7510, USA.

AJR. American Journal of Roentgenology
|March 4, 2000
PubMed
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Single-axis diffusion-weighted imaging and trace diffusion-weighted imaging both effectively detect cerebral infarctions. While trace imaging offers slightly better lesion conspicuity, single-axis imaging provides sufficient diagnostic information for clinical use.

Area of Science:

  • Radiology
  • Neuroimaging
  • Medical Imaging

Background:

  • Diffusion-weighted imaging (DWI) is crucial for detecting acute cerebral infarctions.
  • Comparing different DWI techniques is essential for optimizing diagnostic accuracy.

Purpose of the Study:

  • To evaluate the diagnostic utility of single-axis DWI versus trace DWI in identifying cerebral infarctions.
  • To compare lesion conspicuity and size measurements between the two DWI techniques.

Main Methods:

  • Twenty-six patients with 34 cerebral infarctions underwent both single-axis and trace DWI within 48 hours of symptom onset.
  • Two neuroradiologists assessed image quality, lesion detection, conspicuity, and size, resolving discrepancies by consensus.

Main Results:

Related Experiment Videos

  • All small and territorial infarctions were detected by both single-axis and trace DWI.
  • Lesion conspicuity was marginally superior on trace DWI for both infarction types.
  • Territorial infarctions appeared larger on single-axis DWI, without impacting diagnostic interpretation.

Conclusions:

  • Both single-axis and trace DWI are effective for diagnosing cerebral infarctions.
  • Single-axis DWI provides adequate diagnostic information in clinical settings, despite minor differences in lesion size measurements.
  • The choice of DWI technique may be guided by specific clinical needs and imaging protocols.