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Summary
Intracerebral venous angioma, a rare brain vascular malformation, presents unique venous phase angiographic findings. These include converging medullary veins forming a large transcerebral channel, aiding diagnosis.
Area of Science:
- Neurology
- Radiology
- Vascular Malformations
Background:
- Intracerebral venous angioma is a rare congenital brain vascular malformation.
- Diagnosis can be challenging due to its rarity.
Purpose of the Study:
- To describe the characteristic angiographic findings of intracerebral venous angioma.
- To highlight key features for accurate diagnosis.
Main Methods:
- Case report of three patients with intracerebral venous angioma.
- Detailed analysis of cerebral angiography, focusing on venous and arterial phases.
- Comparison with existing literature.
Main Results:
- Consistent venous phase findings: a network of medullary veins converging into a single transcerebral venous channel.
- Arterial phase typically shows no gross abnormalities with standard techniques.
- Magnification revealed enlarged feeding arteries in 2 of 3 cases.
- A homogeneous blush and early venous filling were observed in 2 patients.
Conclusions:
- Venous phase angiography is highly suggestive of intracerebral venous angioma.
- Specific angiographic patterns aid in diagnosing this rare vascular malformation.