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Glioma : Causes - Symptoms- Diagnosis -Treatment

What Is Glioma?

Glioma is a not unusual kind of tumor originating in the mind. About 33 percent of all brain tumors are gliomas, which originate within the glial cells that surround and aid neurons inside the brain, including astrocytes, oligodendrocytes and ependymal cells.

Gliomas are referred to as intra-axial brain tumors due to the fact they grow within the substance of the mind and often mix with regular mind tissue.

“Glioma” is a preferred term used to describe any tumor that arises from the supportive (“gluey”) tissue of the mind. This tissue, known as “glia,” enables it to maintain the neurons in vicinity and function nicely.

There are 3 kinds of everyday glial cells which could produce tumors. An astrocyte will produce astrocytomas (together with glioblastomas), an oligodendrocyte will produce oligodendrogliomas, and ependymomas come from ependymal cells. Tumors that display a mixture of these special cells are called combined gliomas.

Tumors including “optic nerve glioma” and “brain stem glioma” are named for their places, not the tissue kind from which they originate.

Three forms of regular glial cells can produce tumors—astrocytes, oligodendrocytes, and ependymal cells. Tumors that display a combination of these cells are called combined gliomas.

What Is Glioma?
Glioma


These tumors commonly comprise an excessive share of a couple of forms of cellular, most often astrocytes and oligodendrocytes. Occasionally, ependymal cells also are determined. The conduct of a mixed glioma seems to depend on the grade of the tumor. It is much less clean whether their conduct is based totally on that of the most considerable mobile kind.

  1. Brain

  2. Cerebral hemispheres

  3. Diencephalon or interbrain

  4. Thalamus

  5. Hypothalamus

  6. Midbrain

  7. Cerebellum

Medical terms

  • Glioma is a type of tumor that originates in the brain or spinal cord. It is a type of cancer caused by the abnormal and uncontrolled growth of glial cells, which are the supportive cells in the central nervous system. Gliomas are a very common type of cancer, accounting for almost 30% of all brain and spinal cord tumors. As with all cancers, early diagnosis and treatment is key to improving outcomes and managing symptoms.

  • Gliomas are the most common types of brain tumors in adults, accounting for about 80% of all brain tumors. They comprise a group of tumors that involve structures such as the brain and spinal cord, and are often characterized by abnormal cell growth in the glial cells that make up the supportive tissue of these parts of the body. Symptoms of gliomas can include headaches, seizures, nausea, confusion, memory loss, changes in behavior, and vision or speech problems. Gliomas can be divided into two main types, astrocytic and oligodendrocytic.

  • Glioma is a type of tumor that occurs inside the mind and spinal wire. Gliomas begin inside the gluey supportive cells (glial cells) that surround nerve cells and help them characteristic.

  • Three kinds of glial cells can produce tumors. Gliomas are categorized in line with the type of glial cellular concerned inside the tumor, as well as the tumor's genetic functions, that could help predict how the tumor will behave through the years and the treatments maximum likely to work.

Types of glioma include:

  • Astrocytomas, including astrocytoma, anaplastic astrocytoma and glioblastoma

  • Ependymomas, Which includes anaplastic ependymoma, myxopapillary ependymoma and subependymoma

  • Oligodendrogliomas, Consisting of oligodendroglioma, anaplastic oligodendroglioma and anaplastic oligoastrocytoma

A glioma can have an effect on your mind and be lifestyle-threatening, relying on its place and price of increase.

Gliomas are one of the most not unusual styles of number one mind tumors.

The type of glioma you have helps determine your remedy and your prognosis. In popular, glioma treatment options consist of surgical operation, radiation remedy, chemotherapy, targeted therapy and experimental clinical trials.

The symptoms of glioma can appear suddenly or gradually over a period of time The most common symptom is headaches which may worsen over a few days to weeks Other symptoms include nausea and vomiting personality changes clumsiness and seizures In many cases the symptoms of glioma are not specific enough to lead to a diagnosis of this condition.

Evidence for the migraine-progression hypothesis comes from longitudinal studies of headache frequency and other characteristics in patients with frequent migraines For example in a study of patients who had at least one migraine per week approximately 50% of those who used abortive medication more than five days per month reported progression to chronic headaches by three years; this was compared to 14% of those who used abortive medication on fewer than five days per month.

Types Glioma

  1. Astrocytoma

  2. Ependymoma

  3. Glioblastoma

  4. Oligodendroglioma

Symptoms Glioma

Gliomas are tumors that incorporate a variety of cellular kinds, and the distribution of the cell types varies with every tumor. The most not unusual sort of gliomas are astrocytomas. They broaden from peculiar, celebrity-fashioned cells. 

Astrocytomas are graded on a scale of 1 to four, grade 4 being the maximum malignant.

The signs of glioma range by tumor type as well as the tumor's length, region and charge of increase.

Common symptoms and signs of gliomas encompass:

  • Headache

  • Nausea or vomiting

  • Confusion or a decline in brain function

  • Memory loss

  • Personality changes or irritability

  • Difficulty with balance

  • Urinary incontinence

  • Vision problems, such as blurred vision, double vision or loss of peripheral vision

  • Speech difficulties

  • Seizures, especially in someone without a history of seizures

When to see a doctor

Make an appointment together with your doctor if you have any signs and symptoms common to glioma.

Causes Glioma

Research suggests that changes to DNA cause the development of mind tumors and spinal cord tumors like gliomas. Our genes comprise DNA. They give commands to cells approximately how to grow and multiply. Mutations, or modifications, to the DNA in our genes can cause cells to multiply out of control.

It’s possible to inherit genetic mutations from your parents. They can also arise abruptly at some point of your lifetime.

Like maximum number one mind tumors, the exact motive of gliomas isn't recognised. But there are some factors which could increase the risk of a brain tumor.

Risk factors Glioma

There is no apparent motive of glioma. They can occur in people of every age however are greater not unusual in adults. Gliomas are barely much more likely to affect guys than ladies, and Caucasian humans than African-American human beings.Like most primary brain tumors, the exact motive of gliomas isn't known. But there are a few factors which could increase your risk of a brain tumor. Risk factors consist of:

  • Your age. Your danger of a mind tumor will increase as you age. Gliomas are maximum commonplace in adults between ages forty five and sixty five years antique. However, a brain tumor can occur at any age. Certain varieties of gliomas, inclusive of ependymomas and pilocytic astrocytomas, are more common in kids and young adults.

  • Exposure to radiation. People who have been uncovered to a sort of radiation referred to as ionizing radiation have a multiplied threat of brain tumor. Examples of ionizing radiation consist of radiation therapy used to deal with most cancers and radiation publicity because of atomic bombs.
    More-commonplace forms of radiation, such as electromagnetic fields from strength lines and radiofrequency radiation from microwave ovens have no longer been proven to increase the risk of glioma.
    It isn't clear whether or not mobile phone use will increase the hazard of brain cancer. Some studies have found a probable affiliation between cellular telephone use and a kind of brain most cancers referred to as acoustic neuroma. Many other research have located no affiliation. Because cell phones are a highly new element, more long-term research is needed to understand the capacity impact on most cancers. For the time being, if you're concerned about the feasible hyperlink between cellphones and cancer, experts recommend restricting your publicity through using a speaker or palms-free tool, which continues the cellular phone itself away from your head.

  • Family history of glioma. It's rare for glioma to run in families. But having a family record of glioma can double the chance of developing it. Some genes had been weakly associated with glioma, but more look at is wanted to confirm a link among these genetic versions and mind tumors.

Complications Glioma

Potentially life-threatening complications of gliomas include:

  • Brain hemorrhage (bleeding in the brain).

  • Brain herniation (brain tissue moves outside its normal position in the skull).

  • Hydrocephalus (fluid buildup in the brain).

  • Pressure inside your skull.

  • Seizures.

Prevention Glioma

Most threat factors for gliomas, consisting of age and race, aren’t controllable. But early detection and remedy of low-grade gliomas may be sluggish or save their development into high-grade gliomas. If mind tumors run for your own family, you may want to recollect genetic trying out. Talk for your healthcare company or a genetic counselor approximately the risks and advantages of genetic checking out.

It is also a good idea to:

  • Limit radiation exposure to your head.

  • Maintaining a healthy lifestyle.

Can glioma be cured?

Current treatment approaches for glioma have included surgery radiation and chemotherapy Although surgical resection is often the only option to eradicate a primary tumor most patients end up with cancerous cells remaining in their bodies After surgery radiotherapy is the main option but it often cannot be given at maximum dose due to toxicity issues Chemotherapy can be an effective treatment for some glioma subtypes but its use is limited by side effects and patient resistance to drug administration.

What is the survival rate for glioma?

Gliomas are high-grade tumors that originate in the brain Gliomas make up a large portion of all tumors in the brain and spinal cord and are classified as either primary or secondary Primary gliomas begin in the tissues of the central nervous system while secondary gliomas begin in other parts of the body and spread to the brain.

Is glioma a cancer?

Yes Glioma is a type of cancer that originates in the supportive tissue of the brain There are three different types of glioma and each is named for the type of cell from which it originated: astrocytoma oligodendroglioma and ependymoma All three types begin in the brain but can spread to other parts of the body.

How long can you live with a glioma?

Most gliomas are slow-growing but in some cases they can grow quickly and aggressively Some types of glioma can recur (come back) after treatment for example but most do not The average person with a low-grade glioma who receives the recommended treatment is likely to survive longer than if he or she did not receive treatment A high-grade glioma tends to grow faster and does not respond as well to treatment.

How fast do gliomas grow?

Gliomas the most common type of brain tumor in adults grow more quickly than other types of tumors Their growth rate also varies depending on their location in the brain According to the American Brain Tumor Association glioblastoma multiforme (GBM) is the fastest growing tumor of all These fast-growing tumors are aggressive and invade nearby tissue as they expand.

How long can you live with low grade glioma?

Not all gliomas are the same. Low grade gliomas grow and spread much more slowly than high-grade tumors This means that the prognosis for low-grade gliomas is better than for high-grade tumors In fact some low grade tumors never grow or spread at all.

Can you cure a low grade glioma?

Low-grade gliomas are slow-growing tumors that start in the brain but they can also appear in the spine They are called low grade because they do not spread to other parts of the body as do high-grade gliomas Scientists think that low-grade gliomas start from stem cells in the brain and spinal cord that have become cancerous Low-grade gliomas make up about 90 percent of all primary brain tumors reports the World Health Organization (WHO).

Is low grade glioma curable?

Gliomas are a group of brain tumors which are usually malignant Glioma means tumor of glial tissue Glial tissue is the supportive tissue in the brain and spinal cord which help the nerve cells to function properly Gliomas are mainly categorized as high grade and low grade High grade gliomas are very fast growing tumors which mostly affect adults Low grade gliomas are slow-growing tumors that occur more frequently in children Now it has been suggested that low grade gliomas are not as aggressive as high grade gliomas but they still pose serious risk of recurrence and mortality.

Diagnosis Glioma

Your healthcare company evaluates your signs and reviews your medical records. They’ll additionally do a whole physical and neurological examination.

MRIs and CT scans are the maximum common imaging scans for brain tumors. Your healthcare company appears for tumors for your brain, in addition to tumors someplace else on your frame.

If your healthcare issuer sees an ordinary mass for your imaging scans, they’ll do a biopsy. A biopsy is a method to investigate a sample of tissue. 

If your number one care doctor suspects you have a mind tumor, you'll be stated as a specialist who is skilled in treating brain and apprehensive device disorders (neurologist). Your medical doctor might also advise some of assessments and strategies, which includes:

Neurology consultation

  • A neurological exam. During a neurological exam, your doctor may additionally take a look at your vision, hearing, balance, coordination, power and reflexes. Problems in a single or greater of those regions may additionally offer clues about a part of your brain that could be suffering from a mind tumor.

  • Imaging tests. Magnetic resonance imaging (MRI) is regularly used to help diagnose mind tumors. In a few instances, a dye (contrast cloth) may be injected through a vein on your arm all through your MRI study to assist show differences in brain tissue.
    A variety of specialized MRI experiment components — including purposeful MRI, perfusion MRI and magnetic resonance spectroscopy — may additionally assist your physician evaluate the tumor and plan remedy.

Other imaging assessments can also encompass automated tomography (CT) scan and positron emission tomography (PET).

  1. Brain scanning

  2. Echoencephalography

  3. Magnetoencephalography

  4. Pneumoencephalography

Brain MRI scan

  • Tests to find cancer in other parts of your body. To rule out other types of mind tumors that can have spread from different components of the body, your medical doctor may also advocate assessments and processes to decide wherein the cancer originated. Gliomas originate within the mind and aren't the end result of most cancers that have spread (metastasized) from somewhere else.

  • Collecting and testing a sample of abnormal tissue (biopsy). Depending at the area of the glioma, a biopsy may be carried out with a needle earlier than treatment or as part of an operation to do away with the brain tumor
    A stereotactic needle biopsy may be achieved for gliomas in tough-to-attain regions or very touchy regions within your brain that are probably damaged with the aid of a greater sizable operation. During a stereotactic needle biopsy, your neurosurgeon drills a small hole into your cranium. A skinny needle is then inserted via the hollow. Tissue is eliminated thru the needle, which is regularly guided via CT or MRI scanning.
    The biopsy sample is then analyzed beneath a microscope to determine if it is cancerous or benign.
    A biopsy is the handiest manner to definitively diagnose a brain tumor and supply a prognosis to manual remedy selections. Based on these records, a physician who specializes in diagnosing cancer and different tissue abnormalities (pathologist) can decide the grade or degree of a mind tumor.
    The pathologist will also observe the bodily appearance and growth rate of your biopsy pattern (molecular prognosis). Your doctor will give an explanation for the pathologist's findings to you. These facts facilitate guide choice-making approximately your treatment plan.

Treatment Glioma

Treatment of a brain tumor relies upon the nature of the tumor, how rapidly it's growing, what signs it causes and where it's far positioned. Often numerous remedy strategies are used. Surgery is typically done to make a diagnosis and to enhance symptoms, and it may be sufficient to remedy benign tumors.

Radiation remedy is required to deal with gliomas. Radiation remedy can also be beneficial in the brief-time period for tumors that have spread from other parts of the frame. Chemotherapy also benefits a few patients with such tumors.

Low-grade gliomas (astrocytoma and oligodendroglioma, for instance) should be removed surgically if possible, followed by a way of radiation therapy. The timing of radiation remedy is controversial because early can be better therapeutically, however the mind can be uncovered to radiation harm in advance than essential.

Treatment for glioma relies upon the kind, size, grade and region of the tumor, as well as your age, standard fitness and options.

In addition to movements to put off the tumor itself, remedy for glioma can also require the usage of capsules to reduce the symptoms and signs of your tumor.

Your health practitioner may also prescribe steroids to reduce swelling and relieve pressure on affected regions of the mind. Anti-epileptic capsules can be used to control seizures.

Surgery

Surgery to remove as much of the tumor as feasible is typically the first step in treating maximum sorts of gliomas.

In a few instances, gliomas are small and clean to split from surrounding healthful mind tissue, which makes entire surgical removal viable. In different instances, tumors cannot be separated from surrounding tissue, or they're placed close to touchy areas for your mind and make surgery risky. In those conditions your medical doctor gets rid of as much of the tumor as is safe.

Even getting rid of a portion of the tumor may additionally assist lessen your symptoms and signs and symptoms.

In some instances, neuropathologists might also examine tissue samples removed by means of a general practitioner and document the consequences at the same time as surgical treatment is underway. This statistics helps the health practitioner determine how much tissue to remove.

A sort of surgical technologies and strategies can be used to help the neurosurgeon in shielding a great deal of wholesome mind tissue as feasible even as removing the tumor, including pc-assisted brain surgery, intraoperative MRI, unsleeping brain surgery and lasers. For instance, during wakeful mind surgical treatment, you will be requested to carry out a project with the goal of making sure the location of the brain controlling that feature isn't always damaged.

Surgery to put off a glioma includes dangers, including contamination and bleeding. Other dangers may additionally depend upon the part of your brain wherein your tumor is placed. For instance, surgery on a tumor close to nerves that connect to your eyes may carry a danger of imaginative and prescient loss.

Radiation therapy

Radiation remedy generally follows surgical procedure in treatment of glioma, specially excessive-grade gliomas. Radiation makes use of high-strength beams, along with X-rays or protons, to kill tumor cells. Radiation therapy for glioma comes from a gadget outdoors your body (outside beam radiation).

There are numerous kinds of outside beam radiation currently used and underneath take a look at for the remedy of glioma. The type of glioma you have got, its grade and other prognostic elements are taken into consideration in determining the timing and kind of radiation therapy you could acquire. A physician who specializes in radiation therapy for most cancers (radiation oncologist) will paint closely together with your different medical doctors to devise and coordinate the most suitable radiation remedy for you.

Radiation therapy options include:

  • Using computers to pinpoint delivery Of radiation treatment to the exact vicinity of the mind tumor. Techniques encompass depth-modulated radiation remedy and 3D conformal radiation therapy.

  • Using protons — the positive parts of atoms — rather than X-rays As the source of radiation. This technique, called conformal proton beam remedy, grants radiation best once proton beams reach the tumor, inflicting much less harm than X-rays to surrounding tissue.

  • Using multiple beams of radiation To present an exceedingly targeted shape of radiation treatment. While this approach is known as stereotactic radiation therapy (radiosurgery), it doesn't honestly contain surgical operation within the conventional sense. Each beam of radiation isn't always particularly effective, however the factor where all of the beams meet — at the brain tumor — gets a totally large dose of radiation to kill the tumor cells in a totally small place.

There is one kind of era utilized in radiosurgery to deliver radiation to treat brain tumors, which includes a Gamma Knife or linear accelerator (LINAC).

Side consequences of radiation remedy rely upon the kind and dose of radiation you acquire. Common side effects all through or straight away following radiation encompass fatigue, complications and scalp infection.

Chemotherapy

Chemotherapy uses drugs to kill tumor cells. Chemotherapy pills can be taken in pill shape (orally) or injected into a vein (intravenously).

Chemotherapy is usually used in aggregate with radiation therapy to treat gliomas.

The chemotherapy drug used most usually to treat gliomas is temozolomide (Temodar), that's taken as a tablet.

Side effects of chemotherapy depend upon the kind and dose of medication you acquire. Common side effects consist of nausea and vomiting, headache, hair loss, fever, and weak spots. Some side effects may be controlled with medication.

Targeted drug therapy

Targeted drug remedies attention on precise abnormalities present within most cancer cells. By blocking those abnormalities, centered drug treatments can cause cancer cells to die.

One focused drug remedy used to treat a sort of mind cancer known as glioblastoma is bevacizumab (Avastin). This drug, given via a vein (intravenously), stops the formation of recent blood vessels, slicing off blood supply to a tumor and killing the tumor cells.

Treatment innovations

Brain cancer studies is a totally active discipline to take a look at. Researchers are investigating new approaches to supply pills to brain tumors, along with pumps that launch a continuous, sluggish float of chemotherapy or centered drug treatment plans to a tumor. This type of remedy is known as convection-stronger transport (CED).

Another type of therapy makes use of an era called tumor treating fields (Optune) to supply electric fields to the mind that could assist forestall the proliferation of cancer cells. Optune is a wearable, transportable device and is used in aggregate with temozolomide to treat newly identified glioblastoma in adults.

Implanted, biodegradable wafer remedy (Gliadel) is based on an implanted disc to launch chemotherapy to tumor tissue that remains after surgical treatment. And in nanoparticle remedy, particles with an strangely high floor area convey chemotherapy throughout the blood-mind barrier immediately to a tumor.

Rehabilitation after treatment

Because brain tumors can broaden in parts of the brain that manage motor talents, speech, vision and questioning, rehabilitation can be a vital part of recuperation. Your medical doctor might also refer you to services that may help, including:

  • Physical therapy can help you regain lost motor skills or muscle strength

  • Occupational therapy, Which allow you to get returned in your regular everyday sports, consisting of paintings, after a mind tumor or different contamination

  • Speech therapy With experts in speech difficulties (speech pathologists), that can help when you have trouble speaking

  • Tutoring for school-age children, That could assist kids deal with modifications in reminiscence and wondering after a brain tumor

Alternative medicine

Little research has been finished on complementary and alternative mind tumor treatments. No alternative remedies have been proved to cure gliomas. However, complementary remedies may additionally assist you deal with your mind tumor and its treatment. Talk to your physician about your options.

Some complementary remedies that could help you cope consist of:

  • Acupuncture

  • Hypnosis

  • Meditation

  • Music therapy

  • Relaxation exercises

Coping and support

A prognosis of a brain tumor may be overwhelming and scary. It could make you feel like you have little control over your fitness. But you can take steps to deal with the shock and grief that may come after your diagnosis. Consider seeking to:

  • Learn enough about gliomas to make decisions about your care. Ask your health practitioner approximately your unique type of brain tumor, which includes your remedy options and, if you want, your prognosis. As you learn extra about mind tumors, you may turn out to be extra assured in making treatment choices.

  • Keep friends and family close. Keeping your near relationships strong will help you cope with your mind tumor. Friends and a circle of relatives can provide the practical guide you'll want, which includes helping you cope with your house if you're within the sanatorium. And they could function as emotional support whilst you feel overwhelmed through cancer.

  • Find someone to talk with. Find a good listener who's willing to listen to you talk about your hopes and fears. This can be a friend or family member. The concern and know-how of a counselor, medical social worker, clergy member or most cancers guide group also may be useful.
    Ask your physician about assist groups in your vicinity. Or test your smartphone e-book, library or a cancer agency, such as the National Cancer Institute or the American Cancer Society.

Preparing for your appointment

See your doctor if you have any signs and symptoms or symptoms that fear you. If you're diagnosed with a glioma, you may be mentioned specialists, consisting of:

  • Doctors who specialize in brain disorders (neurologists)

  • Doctors who treat cancer (oncologists)

  • Doctors who use radiation to treat cancer (radiation oncologists)

  • Doctors who specialize in nervous system cancers (neuro-oncologists)

  • Surgeons who operate on the brain and nervous system (neurosurgeons)

  • Rehabilitation specialists

It's a great concept to be properly-prepared for your appointment. Here's a few records to help you get geared up, and what to expect from your health practitioner.

What you can do

  • Be aware of any pre-appointment restrictions. At the time you are making the appointment, be sure to ask if there is anything you want to do earlier, such as limit your food regimen.

  • Write down any symptoms you're experiencing, Which include any which can seem unrelated to the motive for which you scheduled the appointment.

  • Write down key personal information, including any major stresses or recent life changes.

  • Make a list of all medications, vitamins or supplements that you're taking.

  • Consider taking a family member or friend along. Sometimes it can be difficult to remember all of the records supplied throughout an appointment. Someone who accompanies you can take into account something that you ignored or forgot.

  • Write down questions to ask your doctor.

Your time together with your medical doctor is limited, so getting ready for a list of questions lets you make the maximum of a while collectively. List your questions from most important to least vital in case time runs out. For a mind tumor including glioma, a few fundamental inquiries to ask your health practitioner encompass:

  • What type of brain tumor do I have?

  • Where is my brain tumor located?

  • How large is my glioma?

  • How aggressive is my brain tumor?

  • Is my glioma cancerous?

  • Will I need additional tests?

  • What are my treatment options?

  • Can any treatments cure my glioma?

  • What are the benefits and risks of each treatment?

  • Is there one treatment you feel is best for me?

  • Is there a clinical trial available to treat my type of glioma? Is it appropriate for me?

  • How will treatment affect my daily activities, like walking, talking and speaking?

  • Should I see a specialist? What will that cost, and will my insurance cover it?

  • Are there brochures or other printed material that I can take with me? What websites do you recommend?

  • How often should I see my doctor for checkups?

In addition to the questions which you've organized to ask your physician, don't hesitate to invite different questions that occur to you.

What to expect from your doctor

Your physician is in all likelihood to invite you a number of questions. Being ready to answer them may also allow time later to cover different points you want to address. Your medical doctor may additionally ask:

  • When did you first begin experiencing symptoms?

  • Have your symptoms been continuous or occasional?

  • How severe are your symptoms?

  • What, if anything, seems to improve your symptoms?

  • What, if anything, appears to worsen your symptoms?

General summary

  1. Glioma is a type of brain tumor that is characterized by the abnormal growth of cells called glia, which form the supportive tissue of the central nervous system. It can occur in any part of the brain or spine and is most common in the cerebrum. The exact cause of glioma is not known, but it is thought to be caused by a combination of genetic and environmental factors. Glioma tumors can be malignant or benign, with malignant tumors being more likely to spread throughout the brain or spinal cord.

  2. Glioma is a type of cancer that starts in the brain or spinal cord. These tumors are made up of a type of cell called glial cells. Glial cells are responsible for providing support and protection for neurons, the cells in the brain and spinal cord that transmit information. Gliomas can be benign or malignant, meaning they can either be slow-growing or fast-growing, respectively.

  3. Glioma is a type of tumor that develops from the supportive tissue of the brain, known as the glial cells. It is the most common type of primary brain tumor, representing about 30% of all primary brain and central nervous system tumors. Gliomas vary in severity, with some types requiring no treatment or intervention, while others are more aggressive and require more intensive treatment. The treatment and prognosis for gliomas depend on the type and location of the tumor, as well as the person's age and general health.

Glioma : Causes - Symptoms- Diagnosis -Treatment

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