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Doctor insights on: What The Difference Between Schwannoma And Meningioma

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What the difference between schwannoma and meningioma?

What the difference between schwannoma and meningioma?

They are diff. Tumors: Schwannoma - a neoplasm originating from schwann cells (of the myelin sheath) of peripheral or sympathetic neurons, or from various cranial nerves, particularly the eighth cranial nerve; schwannomas include neurofibromas and neurilemomas. A meningioma is a tumor that arises from the meninges — the membranes that surround your brain.

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Dr. Mark Eisenberg
749 Doctors shared insights

Meningioma (Definition)

Tumors that occur in the membrane surrounding the brain and spinal cord. Most of these tumors are benign, but a small percentage can be malignant. Most people with ...Read more


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Brain epidermoid, is it the same as a meningioma tumor the difference between the two 3cm brain stem / 8cm front lobe?

Brain epidermoid, is it the same as a meningioma tumor the difference between the two 3cm brain stem / 8cm front lobe?

Different tumors: A brain epidermoid is a different tumor than a meningioma. That is, the pathology or cell type is distinctly different. These usually are different on imaging studies also. From your question, it seems that you are describing an epidermoid adjacent to the brain stem and a meningioma in the frontal lobe. This is consistent with the different tendencies these two tumors have to localize.

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Have myasthenia gravis & meningiomas! Dr said advise if I have any weakness or symptoms of tumor. HOW would/could I tell the difference being Have MG?

Have myasthenia gravis & meningiomas! Dr said advise if I have any weakness or symptoms of tumor. HOW would/could I tell the difference being Have MG?

Hard but possible: Agree it can be difficult. Important: where are the tumors? Their location in the brain can tell where you may feel weakness or sensory deficits. MG weakness is often after activity although not always and is multifocal where weakness from tumor is usually more focal. Other symptoms from tumor can be seizures or "spasms" which are not true weakness and not regularly seen with MG.

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I want to know what's the main cause of meningioma?

I want to know what's the main cause of meningioma?

Not known: The cause for most tumors in humans are not known or obvious. It is simply an error of cell growth and cell division which leads to excess of cell production which results in formation of abnormal growths/tumors.

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What is a calcified meningioma?

What is a calcified meningioma?

Bony-like: Meningioma is predominantly benign (~ 92%) set of tumors arising from the brain linings. They grow slowly. Some meningiomas contain cysts or calcified mineral deposits and becoming hard like a bone.

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How serious is meningioma tumor?

How serious is meningioma tumor?

Location: Meningiomas are mostly benign tumors and curable by resection. The seriousness depends on the location that may determine the degree of difficulty of surgical removal.

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What does calcified meningioma mean?

What does calcified meningioma mean?

Just that!: Meningiomas are almost always benign tumors arising in the meninges (covering the brain) they can enlarge over time and may calcify.

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How long does surgery for a meningioma take?

Depends: It entirely depends upon the location of the meningioma. It may take only a few hours or can take 12 to 15 hours depending upon its location.

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Do people with meningioma have a lot of pain?

No: Most meningioma patients have no symptoms. A few will have headaches and possibly seizures if the meningioma is large enough. They are often present for many years without difficulty and can be watched.

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How old is too old for surgery on meningioma?

No specific age: There is no specific age cutoff for surgery. A person's underlying health and the site of the meningioma dictate whether or not surgery can or should be performed safely.

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What is the main cause of meningioma in a baby?

What is the main cause of meningioma in a baby?

Tumor growth: These are tumors that arise from the lining outside the brain. They are almost always benign although some studies say up to 10% can become malignant. They start early and grow- some a little, some a lot. They are found frequently in older people without needing any treatment. Your baby may have one but unless it is large, watching it is best.

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How can having a benign meningioma tumor hurt you?

Depends: Even a benign meningioma can grow into a problem- pain, headaches, seizures can occur. Other symptoms may vary on the location of the tumor in the brain.

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At what stage of meningioma does palinopsia occur?

Not indicative: Palinopsia, a visual disturbance marked by afterimages after the original image is perceived, is not specific for meningioma and does not indicate "stage", grade or duration. It may be secondary to nontumor sources such as strokes, medications, ms epilepsy, etc.

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Can you tell me anything about meningioma tumours?

They are benign: Meningiomas are mostly benign tumors of the meninges (membrane that covers the brain surface). The tumor can be easily removed in nearly all cases. So get your surgery done and hopefully you will not have a problem again. Sometimes radiotherapy is recommended after surgery in case there is incomplete resection of the tumor.

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What does it mean if a person has front lobe meningioma?

Benign tumor: Frontal lobe meningioma is a benign tumor of the covering of the brain (meninges) if indicated can be removed by neurosurgery.

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What are the complications involving meningioma tumours?

Meningiomas: A complex question as complications are related to location of the tumor, size of the tumor, and surgical accessibility - all of these queries should discussed with the surgeon considering the surgeon.

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Could neurocysticercosis ever be mistaken for a meningioma?

Unlikely: Not uncommonly neurocysticercosis has multiple abnormalities on mri. Can be mistaken with pituitary tumors because they can cause endocrine changes. There are several things in the differential diagnosis. CSF analysis is important as long as there is not a lot of edema on mri. Hope this helps.

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What tests or procedures are used to determine, if meningiomas are benign or malignant?

A microscope.: Meningiomas have a very characteristic appearance on brain scans. If they are surgically removed, a pathologist will look at the tissue under a microscope to make the final diagnosis. Sometimes they don't require removal.

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Mucoperiosteal thickening (applying to post meningioma resection) what does this mean and affects?

Mucoperiosteal thickening (applying to post meningioma resection) what does this mean and affects?

Meningioma: Discuss with the neurosurgeon. Mucoperiosteal thickening is usually due to infection or inflammation of the nasal sinuses. Is this a separate issue or does the meningioma extend into the sinuses? Did removal of the tumor lead to a skull defect and drainage of cerebrospinal fluid.

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Why is there still a decently high 5 year mortality rate asscociated with meningioma even it fully removed? I don't quite understand

How high?: 10 year survival rate is about 60%. You may consult this site for more information. Http://www.cancer.net/cancer-types/meningioma/statistics