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Angiographic findings for meningiomas and metastatic dural tumors.
| Imaging Findings | Metastatic dural lesions | Meningiomas |
|---|---|---|
| Blood supply | Multiple etiologies | External carotid artery branch vessel Middle meningeal artery typically |
| Classic features | Accumulation of contrast agent in the capillary phase | Star-burst vascular pattern Mother-in-law sign |
