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[Cerebral and spinal cavernomas].

F J Ahlhelm1, A A Tarnutzer2, K Shariat3

  • 1Abteilung Neuroradiologie, Zentrum für Bildgebung, Kantonsspital Baden AG, Im Ergel 1, 5404, Baden, Schweiz. frankjohannes.ahlhelm@ksb.ch.

Radiologie (Heidelberg, Germany)
|June 21, 2022
PubMed
Summary
This summary is machine-generated.

Magnetic resonance imaging (MRI) is superior for detecting cavernomas (cerebral cavernous malformations), even those without bleeding. MRI also helps distinguish between familial and sporadic forms of this vascular anomaly.

Keywords:
AngiodysplasiaCavernous malformationsHamartomaIntracranial vascular malformationMagnetic resonance imaging

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Area of Science:

  • Neurology
  • Radiology
  • Vascular Malformations

Background:

  • Cavernous malformations, also known as cavernomas, are a type of cerebral angiodysplasia.
  • These vascular anomalies can occur sporadically or run in families and may cause neurological symptoms like epilepsy, independent of shunts.
  • Cavernomas can be found in both intracranial and spinal locations.

Purpose of the Study:

  • To evaluate the diagnostic capabilities of different imaging modalities for cavernomas.
  • To compare the effectiveness of Magnetic Resonance Imaging (MRI) and Computed Tomography (CT) in detecting cavernomas.
  • To explore the utility of MRI in differentiating between familial and sporadic forms of cavernomas.

Main Methods:

  • Review of diagnostic performance of MRI and CT for cavernoma detection.
  • Focus on susceptibility-sensitive gradient echo sequences in MRI.
  • Consideration of Digital Subtraction Angiography (DSA) for rare differential diagnoses.

Main Results:

  • MRI demonstrates superior lesion detection compared to CT, particularly for non-hemorrhagic or calcified cavernomas.
  • Susceptibility-sensitive MRI sequences are effective in identifying cavernomas even without acute or subacute hemorrhage.
  • CT is primarily reserved for diagnosing acute hemorrhages.

Conclusions:

  • MRI is the preferred imaging modality for diagnosing cavernomas due to its high sensitivity.
  • Advanced MRI techniques can detect cavernomas irrespective of hemorrhage or calcification.
  • MRI aids in differentiating familial from sporadic cavernomas, with DSA playing a limited role in diagnosis.