|
A 49 year-old woman presented with headaches and weakness of the left leg. |
| Meningioma (Parafalcine). (Left)
T1-weighted with gadolinium axial MRI; (Right) T2-weighted axial MRI. Note the large
mass that is dural based and
compresses the adjacent frontal lobe. The mass is cystic, somewhat
irregular and enhances with contrast. This is the appearance of a histologically aggressive meningioma. Meningiomas are common tumors that arise from the meninges and can occur within the spinal canal as well as intracranially. They are typically benign histologically, and can be surgically resected if they are in an accessible location. They are more common in women than men, and account for approximately 20% of all primary brain tumors. Similar to low grade gliomas, they grow very slowly. They may result in seizures, focal neurological signs, or both, depending on their location. Some of the more common locations for meningiomas include: ● Parasagittal (attached to the falx) |
Revised
11/30/06.
Copyrighted 2006. David C Preston