A brain tumor is a mass or growth of abnormal cells in your brain or close to your brain.
Many different types of brain tumors exist. Some brain tumors are noncancerous (benign), and some brain tumors are cancerous (malignant). Brain tumors can begin in your brain (primary brain tumors), or cancer can begin in other parts of your body and spread to your brain (secondary, or metastatic, brain tumors).
How quickly a brain tumor grows can vary greatly. The growth rate as well as location of a brain tumor determines how it will affect the function of your nervous system.
Brain tumor treatment options depend on the type of brain tumor you have, as well as its size and location.
Causes--Primary brain tumors originate in the brain itself or in tissues close to it, such as in the brain-covering membranes (meninges), cranial nerves, pituitary gland or pineal gland.
Primary brain tumors begin when normal cells acquire errors (mutations) in their DNA. These mutations allow cells to grow and divide at increased rates and to continue living when healthy cells would die. The result is a mass of abnormal cells, which forms a tumor.
Primary brain tumors are much less common than are secondary brain tumors, in which cancer begins elsewhere and spreads to the brain.
Many different types of primary brain tumors exist. Each gets its name from the type of cells involved. Examples include:
Gliomas. These tumors begin in the brain or spinal cord and include astrocytomas, ependymoma, glioblastomas, oligoastrocytomas and oligodendrogliomas
Meningiomas. A meningioma is a tumor that arises from the membranes that surround your brain and spinal cord (meninges). Most meningiomas are noncancerous.
Acoustic neuromas (schwannomas). These are benign tumors that develop on the nerves that control balance and hearing leading from your inner ear to your brain.
Pituitary adenomas. These are mostly benign tumors that develop in the pituitary gland at the base of the brain. These tumors can affect the pituitary hormones with effects throughout the body.
.Medulloblastomas-- These are the most common cancerous brain tumors in children. A medulloblastoma starts in the lower back part of the brain and tends to spread through the spinal fluid. These tumors are less common in adults, but they do occur.
PNETs. Primitive neuroectodermal tumors (PNETs) are rare, cancerous tumors that start in embryonic (fetal) cells in the brain. They can occur anywhere in the brain.
Germ cell tumors. Germ cell tumors may develop during childhood where the testicles or ovaries will form. But sometimes germ cell tumors move to other parts of the body, such as the brain.
Craniopharyngiomas. These rare, noncancerous tumors start near the brain's pituitary gland, which secretes hormones that control many body functions. As the craniopharyngioma slowly grows, it can affect the pituitary gland and other structures near the brain.

Cancer that begins elsewhere and spreads to the brain
Secondary (metastatic) brain tumors are tumors that result from cancer that starts elsewhere in your body and then spreads (metastasizes) to your brain.
Secondary brain tumors most often occur in people who have a history of cancer. But in rare cases, a metastatic brain tumor may be the first sign of cancer that began elsewhere in your body.
Secondary brain tumors are far more common than are primary brain tumors.
Any cancer can spread to the brain, but the most common types include:
·         Breast cancer
·         Colon cancer
·         Kidney cancer
·         Lung cancer
·         Melanoma

Symptoms--The signs and symptoms of a brain tumor vary greatly and depend on the brain tumor's size, location and rate of growth.
General signs and symptoms caused by brain tumors may include:
·         New onset or change in pattern of headaches
·         Headaches that gradually become more frequent and more severe
·         Unexplained nausea or vomiting
·         Vision problems, such as blurred vision, double vision or loss of peripheral vision
·         Gradual loss of sensation or movement in an arm or a leg
·         Difficulty with balance
·         Speech difficulties
·         Confusion in everyday matters
·         Personality or behavior changes
·         Seizures, especially in someone who doesn't have a history of seizures
·         Hearing problems
Risk factors-In most people with primary brain tumors, the cause of the tumor is not clear. But doctors have identified some factors that may increase your risk of a brain tumor. Risk factors include:
Your age. Your risk of a brain tumor increases as you age. Brain tumors are most common in older adults. However, a brain tumor can occur at any age. And certain types of brain tumors occur almost exclusively in children.
Exposure to radiation. People who have been exposed to a type of radiation called ionizing radiation have an increased risk of brain tumor. Examples of ionizing radiation include radiation therapy used to treat cancer and radiation exposure caused by atomic bombs.
More common forms of radiation, such as electromagnetic fields from power lines and radiofrequency radiation from cellphones and microwave ovens, have not been proved to be linked to brain tumors.
Family history of brain tumors. A small portion of brain tumors occur in people with a family history of brain tumors or a family history of genetic syndromes that increase the risk of brain tumors.

Diagnosis-If it's suspected that you have a brain tumor, your doctor may recommend a number of tests and procedures, including:
A neurological exam. A neurological exam may include, among other things, checking your vision, hearing, balance, coordination, strength and reflexes. Difficulty in one or more areas may provide clues about the part of your brain that could be affected by a brain tumor.
Imaging tests. Magnetic resonance imaging (MRI) is commonly used to help diagnose brain tumors. In some cases a dye may be injected through a vein in your arm during your MRI study.
A number of specialized MRI scan components — including functional MRI, perfusion MRI and magnetic resonance spectroscopy — may help your doctor evaluate the tumor and plan treatment.
Other imaging tests may include computerized tomography (CT) scan and positron emission tomography (PET).
Tests to find cancer in other parts of your body. If it's suspected that your brain tumor may be a result of cancer that has spread from another area of your body, your doctor may recommend tests and procedures to determine where the cancer originated. One example might be a CT scan of the chest to look for signs of lung cancer.
Collecting and testing a sample of abnormal tissue (biopsy). A biopsy can be performed as part of an operation to remove the brain tumor, or a biopsy can be performed using a needle.
A stereotactic needle biopsy may be done for brain tumors in hard to reach areas or very sensitive areas within your brain that might be damaged by a more extensive operation. Your neurosurgeon drills a small hole into your skull. A thin needle is then inserted through the hole. Tissue is removed using the needle, which is frequently guided by CT or MRI scanning.
The biopsy sample is then viewed under a microscope to determine if it is cancerous or benign. This information is critical to establish a diagnosis and prognosis and, most importantly, in guiding treatment.
Homoeopathy today is a rapidly growing system and is being practiced all over the world.Its strength lies in its evident effectiveness as it takes a holistic approach towards the sick individual through promotion of inner balance at mental, emotional, spiritual and physical levels. When Brain tumor  is concerned there are many effective medicines are available in Homoeopathy, but the selection depends upon the individuality of the patient, considering the mental and physical symptoms.
CALCAREA CARB. 200- Calcarea carb is one of the best remedies for Brain tumor with headache and vertigo on turning the head. The person feels confusion as if the head were too full. He also experiences stitching pain in the skull. Complaints worse from cold and wet weather. There is icy coldness in and on the head, especially right side.Much perspiration on the head , which wets the pillow. Children with big head and large hard abdomen. Calcarea carb is suitable for fat , flabby persons, susceptible to cold. They have a special craving for eggs and indigestible things like dirt, chalk, coal, pencil etc.

CALCREA FLOURICA  200- Calcrea carb is another effective remedy for Brain tumor when the tumor is hard and stony.  It should be tried when Calcarea carb fails.There is a cracking noise in head, disturbing sleep. Other symptoms are- great depression , sparks before the eyes, brain fag and vomiting.

CALCAREA PHOSPHORICA 30- Calcarea phos is best for Brain tumor with severe headache. There is a sensation as if brain was pressed against the skull. A feeling of ice in occiput. Head hot with pain at the root of hair.

CONIUM MACULATUM 200- Conium maculatum is another excellent remedy for Brain tumor with nausea and vomiting. The person feels a sensation as if a foreign body was under the skull. A scorched feeling on top of head.Sensation of a lump in right half of brain. One side of head is numb and cold.  There is vertigo on turning the eyes , when lying down or turning over in bed. Gait difficult, which is staggering. There is sudden loss of strength while walking.

CUPRUM METALLICUM 200- Cuprum met is best for brain tumor with seizures and headache. There is a sensation as if water were poured over the head with headache. A empty feeling in head with headache. Headache after epilepsy. There is purple red swelling of head with convulsions. Bruised pain in brain nad eyes on turning them.

HELLEBORUS NIGER 200- Helleborus is excellent for Brain tumor with  confusion.Headache ends in vomiting. The person rolls the head constantly with moaning. He bores his head into pillow for relief . The person feels that electric shock passes through the brain .

KALI IODIDE 30- Kali iodide is best for Brain tumor with a  syphilitic history.There is bilateral violent headache , as if screwed through the sides of the head, worse warmth and pressure. Hard painful lumps on cranium with headache. Pain is tense over eyes and root of nose. Brain feels enlarged. Pain in scalp as if ulcerated. Hair changes colour and falls off.

LYCOPODIUM CLAVATUM 200- Lycopodium is prescribed for Brain tumor where cerebral edema occurs.Pain in temples as if screwed together. There is pleural effusion also occurs. The person likes warm food and drinks. Lycopodium person have a special craving for sweets. They also suffer from urinary complaints.

RUTA GRAVEOLENS 200- Ruta is best for Brain tumor with severe headache as if a nail is driven into it. The periosteum becomes sore.

THUJA OCCIDENTALIS 200- Thuja occ is another effective remedy for Brain tumor with severe headache. The person feels pain as if pierced by a nail. , better head backwards. Sweat on forehead and arms. The patient is emotional , sensitive, and irritable.The person desires acid and salty food.

TUBERCULINUM 200- Start treatment with this remedy. Tuberculinum will arrest the disease and cure the headache.

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