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Cavernous angiomas of the central nervous system
R M Villani1, C Arienta, M Caroli
1Neurosurgical Institute, University of Milan, Italy.
Journal of Neurosurgical Sciences
|July 1, 1989
Summary
Cavernous angiomas (C.A.) of the central nervous system are increasingly diagnosed with advanced imaging like MRI. Surgical outcomes for C.A. vary significantly based on the lesion
Area of Science:
- Neurology
- Neurosurgery
- Radiology
Background:
- Cavernous angiomas (C.A.) are vascular malformations of the central nervous system (CNS).
- Historically rare, their diagnosis has increased significantly with the advent of CT and MRI.
- Previously, C.A. often presented with hemorrhage, mass effect, or seizures.
Purpose of the Study:
- To review the histopathological, epidemiological, clinical, and neuroradiological findings of CNS cavernous angiomas.
- To analyze the diagnostic advancements and treatment outcomes for C.A.
Main Methods:
- Literature review encompassing studies from the pre-CT era to the present.
- Analysis of diagnostic modalities including CT, MRI, and angiography.
- Review of surgical outcomes based on lesion location.
Main Results:
- C.A. diagnosis increased from 5% to 25.1% of vascular malformations with CT and MRI.
- Advanced imaging reveals familial cases, multiple lesions, associations with tumors, and extracerebral localizations.
- MRI excels at detecting small, non-recent bleeds; CT is better for calcifications; angiography can be negative.
- Surgical success is higher for supratentorial C.A. (radical removal, good recovery) compared to deeply seated lesions (partial removal, poor outcomes).
Conclusions:
- CT and MRI are the gold standard for diagnosing CNS cavernous angiomas.
- The increased detection rate highlights the importance of advanced neuroimaging.
- Surgical intervention for C.A. requires careful consideration of location, with supratentorial lesions offering better prognoses.