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Updated: May 23, 2026

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Large deep venous anomaly presenting as a left frontal lesion
Nabeel Al-Naghmoush1, Jehad Al-Watban, Ahmed Alkhani
1Division of Neurosurgery, Department of Neurosciences, King Faisal Specialist Hospital and Research Centre, MBC 76, PO Box 3354, Riyadh 11211, Kingdom of Saudi Arabia.
Deep vein anomalies (DVAs), or venous angiomas, are brain vascular malformations often found incidentally. Recognizing their unique radiological signs can prevent unnecessary surgical interventions for this benign condition.
Area of Science:
- Neurology
- Radiology
- Vascular Malformations
Background:
- Deep vein anomalies (DVAs), also known as venous angiomas, are recognized brain vascular malformations.
- DVAs are frequently discovered as incidental findings during neuroimaging studies like CT and MRI.
Purpose of the Study:
- To describe the radiological findings of a large deep vein anomaly.
- To highlight the importance of early recognition of DVAs to avoid unnecessary interventions.
Main Methods:
- Case report of a 26-year-old male with recurrent neurological symptoms.
- Radiological assessment including CT, MRI, MRA, and cerebral angiography.
Main Results:
- Cerebral angiography revealed enlarged medullary veins forming a 'caput medusa' sign, draining into the superior sagittal sinus.
- The large DVA mimicked other intracranial lesions requiring surgical consideration.
Conclusions:
- Large DVAs can present radiologically as significant brain lesions.
- Early identification of DVAs is crucial to prevent unnecessary or harmful surgical interventions for this benign pathology.
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