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Cerebral aneurysms

J E Heiserman1, C R Bird

  • 1Division of Neuroradiology, Barrow Neurological Institute, Phoenix, Arixona.

Neuroimaging Clinics of North America
|November 1, 1994
PubMed
Summary
This summary is machine-generated.

Panangiography is the gold standard for diagnosing ruptured intracranial aneurysms. While MR imaging shows promise for evaluating thrombus and focal deficits, MR angiography is currently limited for subarachnoid hemorrhage diagnosis.

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Area of Science:

  • Neurosurgery
  • Neuroradiology
  • Neurology

Background:

  • Advances in neurosurgery and neuroradiology have changed the management of intracranial aneurysms.
  • Subarachnoid hemorrhage (SAH) necessitates prompt and accurate diagnosis of potential aneurysmal rupture.

Purpose of the Study:

  • To review the current role of various imaging modalities in the evaluation of intracranial aneurysms.
  • To discuss the diagnostic utility of panangiography, MR imaging, and MR angiography in specific clinical scenarios.

Main Methods:

  • Review of current literature and clinical practice guidelines regarding intracranial aneurysm imaging.
  • Comparative analysis of panangiography, MR imaging, and MR angiography for aneurysm detection and characterization.

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Main Results:

  • Panangiography is the definitive diagnostic tool for suspected aneurysmal rupture in SAH.
  • MR imaging is valuable for assessing intraluminal thrombus and evaluating aneurysms causing focal neurologic deficits (e.g., oculomotor palsy).
  • MR angiography is not yet accurate enough for SAH evaluation but may serve as a screening tool.

Conclusions:

  • Panangiography remains essential for diagnosing ruptured intracranial aneurysms.
  • MR imaging offers complementary diagnostic information for specific aneurysm-related presentations.
  • Future technical advancements are expected to enhance the role of MR imaging and angiography in intracranial aneurysm evaluation.