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Updated: Aug 6, 2026

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke
06:45

Integrated Photoacoustic, Ultrasound, and Angiographic Tomography (PAUSAT) for NonInvasive Whole-Brain Imaging of Ischemic Stroke

Published on: June 2, 2023

Imaging of hemorrhagic stroke

Eric E Smith1, Jonathan Rosand, Steven M Greenberg

  • 1Vascular and Critical Care Neurology, Massachusetts General Hospital, and Harvard Medical School, Boston, MA 02114, USA. eesmith@partners.org

Magnetic Resonance Imaging Clinics of North America
|July 29, 2006
PubMed

Insights

Neuroimaging, including CT and MR, is crucial for diagnosing hemorrhagic stroke. Advanced MR techniques like GRE MR imaging show promise for detecting microbleeds and hemorrhagic transformation, potentially outperforming CT.

Area of Science:

  • Neurology
  • Radiology
  • Medical Imaging

Background:

  • Neuroimaging, specifically CT and MR, is essential for diagnosing hemorrhagic stroke and identifying its causes.
  • Accurate diagnosis relies on assessing serial changes in hematoma appearance over time.
  • Understanding the temporal evolution of hematoma on CT and MR is critical.

Purpose of the Study:

  • To evaluate the diagnostic utility of neuroimaging in hemorrhagic stroke.
  • To compare the effectiveness of different MR imaging sequences and CT for hemorrhage detection.
  • To assess the role of MR imaging alone in acute stroke patients with hemorrhage.

Main Methods:

  • Review of neuroimaging techniques including CT and MR imaging.
  • Analysis of serial changes in hematoma appearance.
  • Comparison of Gradient-Recalled Echo (GRE) MR imaging with CT and conventional spin-echo MR sequences.

Main Results:

  • CT and MR imaging are necessary for detecting hemorrhagic stroke and its causes.
  • Serial assessment of hematoma evolution is vital for accurate diagnosis.
  • Emerging evidence indicates MR imaging alone may suffice for acute hemorrhage detection.
  • GRE MR imaging demonstrates superiority over CT and conventional spin-echo MR for detecting chronic microbleeds and hemorrhagic conversion.

Conclusions:

  • Neuroimaging plays a pivotal role in the diagnosis and management of hemorrhagic stroke.
  • GRE MR imaging offers enhanced sensitivity for detecting microbleeds and hemorrhagic conversion compared to CT and conventional MR.
  • MR imaging alone shows potential as an adequate tool for identifying hemorrhage in acute stroke.
  • Further research into advanced MR techniques is warranted for improved stroke diagnosis.

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