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[How Do We Perform Imaging Tests before Treating Cerebral Aneurysms?]

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Preoperative imaging for cerebral aneurysms relies on catheter angiography, even with advanced CT and MRI. Three-dimensional rotational angiography offers detailed vascular views crucial for treatment decisions in both ruptured and unruptured cases.

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Area of Science:

  • Neurosurgery
  • Neuroradiology
  • Medical Imaging

Background:

  • Preoperative imaging is critical for cerebral aneurysm treatment.
  • Contrast-enhanced CT and MRI have advanced, but catheter angiography remains the gold standard.

Purpose of the Study:

  • To highlight the importance of preoperative imaging in cerebral aneurysm management.
  • To emphasize the role of catheter angiography in treatment planning.

Main Methods:

  • Review of current imaging modalities for cerebral aneurysms.
  • Focus on three-dimensional rotational angiography for detailed vascular visualization.
  • Assessment of imaging's role in treatment decisions for ruptured and unruptured aneurysms.

Main Results:

  • Catheter angiography provides a clear, intuitive view of vascular structures, including perforators.
  • Emergent CT and angiography guide treatment for ruptured aneurysms (surgical clipping or endovascular embolization).
  • Multimodal assessment (CT, MRI, angiography) aids decision-making for unruptured aneurysms.

Conclusions:

  • Catheter angiography is indispensable for preoperative assessment of cerebral aneurysms.
  • Detailed imaging is essential for selecting appropriate treatment strategies.
  • Integrated imaging approaches optimize patient care for both ruptured and unruptured intracranial aneurysms.