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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. ...Read more

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Dr. Mark Eisenberg
747 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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more

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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. ...Read more