When you purchase through links on our land site , we may bring in an affiliate commission . Here ’s how it make .

television host Maria Menounos had surgery to remove a mental capacity tumour last calendar month , agree toPeople magazine .

Menounos , who is 39 , told citizenry that it took surgeons about 7 hours to remove the tumor , and that it was benign , or noncancerous . But benignant brain tumors can still cause problems . Menounos sound out that her speech had become slurred and she was having bother learn the teleprompter . [ 10 thing You Did n’t Know About the mental capacity ]

Health without the hype: Subscribe to stay in the know.

Maria Menounos

Her neoplasm , promise a meningioma , was locate in a part of her brain near her facial heart , People report .

Here are five thing to recognize about meningioma .

Meningiomas are n’t technically " psyche " tumour .

Article image

Maria Menounos

A meningioma develop in a person ’s meninx , which is the layer of tissue paper that lines the brain and the spinal cord , according tothe Mayo Clinic . The meninges are find between the encephalon and the skull , according toJohns Hopkins Medicine .

That means that , technically speaking , this type of tumor is n’t a mastermind neoplasm , because it does n’t form in mental capacity tissue .

But because meningioma can squeeze or compress brain tissue , along with nervus and vessels found in the genius , they are often thought of as mastermind tumors , the Mayo Clinic says .

a 3d illustration of cancer cells depicted in pink

But they are the most common tumor found in the head .

Meningiomas are the most vulgar case of tumor that forms in the question , the Mayo Clinic says .

These tumors account for about 36 percent of primarybrain tumors , according to the American Brain Tumor Association ( ABTA ) . " Primary " brain tumour are those that initially form in the brain or surrounding tissue , such as the meninges , as counterbalance to neoplasm that spring up elsewhere in the body and then propagate to the brain or ring tissue , the ABTA says .

A photo of a statue head that is cracked and half missing

Meningiomas are about double as plebeian in women as they are in piece , the ABTA says . About 85 pct of the tumors are benignant , ornoncancerous , Johns Hopkins Medicine say .

Meningiomas grow slowly .

Because meningiomas grow very slowly , multitude may have these tumors for many years without experiencing any symptom , the Mayo Clinic says . Ameningiomadoesn’t induce symptoms until it raise large enough to interfere with functions in the brain , harmonize to the ABTA .

a woman clutches her belly in pain

Sometimes , MD find meningiomas when they are depend for other problem . This is known as " attendant " detection and can occur , for example , when a doc line up a meningioma on a brain scan that was done for other reasons , such as after an hurt , according to Johns Hopkins Medicine .

If a meningioma is n’t get symptoms , doctors may adjudicate to monitor the tumor rather than care for it right away , the Mayo Clinic enunciate .

symptom look on where meningioma turn .

a top down image of a woman doing pilates on a reformer machine

The symptom that meningiomas do bet onwhere in the brain the tumor grows .

For example , if a meningioma presses on thetrigeminal nerve , which affects sensation in the grimace , a person could experience symptom such as facial spiritlessness , according to Johns Hopkins Medicine . Or a meningioma could interfere with the olfactory nerve , causing symptom such as a loss of smell .

Other common symptoms from meningiomas include vexation , seizure , blurred imaginativeness , weakness in the weapon system or ramification , and spiritlessness , Johns Hopkins Medicine aver . These symptoms can start up off very gradually and be pernicious at first , accord to the Mayo Clinic .

A stock illustration of astrocytes (in purple) interacting with neurons (in blue)

Surgery is the main treatment for a meningioma .

If ameningioma is causing symptomsor growing , medico may decide to function to the remove the tumor .

The goal of operation is to remove all of the meningioma , but sometimes , this can be difficult to do because of where the tumour is located in the head , the Mayo Clinic says . For representative , a meningioma may be place very close to fragile structure in the encephalon that surgeons do not want to touch .

A stock photograph of four surgeons in discussion before an operation.

In some cases , doctors may move around toradiationto defeat what remains of a somebody ’s meningioma , accord to the Mayo Clinic . But in other illustration , if only a little musical composition remains and the tumor is benign , medico may settle against further treatment and instead keep an eye on the tumor via periodical brain scans .

But even if doctor do bump off the full tumor , they bear follow - up learning ability scans to monitor the patient , the Mayo Clinic say .

Originally bring out onLive scientific discipline .

Discover "10 Weird things you never knew about your brain" in issue 166 of How It Works magazine.

A woman looking at her energy bill. As the cost of living rises, just glancing at your energy bill could be enough to send you into depression.

A bunch of skulls.

A woman smiling peacefully.

smiling woman holding fruits and vegetables

Doctor standing beside ICU patient in bed

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

an illustration showing a large disk of material around a star

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain

A photograph of two of Colossal�s genetically engineered wolves as pups.

two ants on a branch lift part of a plant