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Updated: Aug 16, 2026
14:58
Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Homonymous hemianopsia due to a dural cavernous hemangioma
A G Lee1, R G Parrish, J C Goodman
1Department of Ophthalmology, Baylor College of Medicine, Houston, Texas 77030, USA.
Summary
Extra-axial cavernous hemangiomas, rare brain tumors, can mimic meningiomas on imaging. Surgical removal of these dural-based lesions can resolve visual field defects but carries risks.
Area of Science:
- Neurosurgery
- Neuropathology
- Neuroradiology
Background:
- Extra-axial cavernous hemangiomas are rare vascular malformations distinct from their intra-axial counterparts.
- Their clinical presentation and radiographic features can overlap with more common dural-based tumors like meningiomas.
Observation:
- A case of homonymous hemianopsia was caused by a dural-based occipital cavernous hemangioma.
- Preoperative imaging (MRI) suggested meningioma, highlighting diagnostic challenges.
- The lesion was successfully resected, leading to complete resolution of the visual field defect.
Findings:
- Extra-axial cavernous hemangiomas present unique clinical and radiographic characteristics.
- These lesions can mimic meningiomas, necessitating their inclusion in the differential diagnosis of dural masses.
- Surgical outcomes for cavernous hemangiomas may differ from those of meningiomas.
Implications:
- Early and accurate diagnosis of extra-axial cavernous hemangiomas is crucial.
- Recognition is important as surgical morbidity and mortality rates may be higher compared to meningiomas.
- Consideration of cavernous hemangioma in the differential diagnosis of dural-based masses can guide surgical planning.
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