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What To Do
 

Parents of children with brain tumours advise other parents to rely on their own "gut feelings". When you feel that your child is not what he used to be, do take the child to the doctor. Persistency of symptoms is also important. While it is appropriate to wait to take your child to the doctor if you observe the listed symptoms, if those symptoms persist, go to the doctor. If necessary, insist on the tests listed below, even if the doctor disagrees. On occasion, a child's teacher may notice a change in behaviour pattern or performance; take your child's teacher seriously. Ophthalmologists are sometimes the specialists who correctly diagnose brain tumours, so an eye exam is appropriate when vision problems are apparent.

Take your child to the doctor. The doctor should listen carefully to your description of your child's behaviour and ask you pertinent questions. If symptoms warrant, vision and other tests should be performed. The tumour probably will not be felt. The doctor should order tests:​

​Both of these tests are expensive, and therefore doctors will likely not order them until they rule out all other possibilities.

  • MRI

  • CT scan


As a parent, you may need to be quite insistent that they be performed. Any brain tumour will show up on an MRI; the CT scan misses some tumours.

Types of tumour

The following is intended to be only a brief summary of the information presented from other sites.

 

Most brain tumours are named for both type of cell from which the tumour originated and the location of the tumour in the brain. Often the common name of a brain tumour reflects the cell type from which it arose: "Astrocytoma" indicates that the tumour originated in astrocytes, star shaped cells that form part of the supportive tissue of the brain. More information about the tumour is included if you are told the name "cerebellar astrocytoma", indicating that it is located in the cerebellum in the brain.

Sometimes a general name is included in the name of a brain tumour, as in "brain stem glioma". Thus, the tumour is a glioma which is located in the brain stem. This name does not give any information about the type of glioma cell from which it arose. Glioma is a general term for tumours that arise from glial tissues, which are the supportive tissues of the brain. (Adenomas, usually benign, arise from a gland. Blastomas are malignant tumours whose cells have undeveloped or embryonic characteristics. A carcinoma is a malignant tumour that arises from skin or the lining of digestive, respiratory, or urogenital systems. Sarcomas are malignant tumours that arise from connective tissue, blood vessels, or the lymph system.) Brain tumours are usually either gliomas or blastomas. Often "glioma" or "blastoma" is included in the name of the tumour.

Certain types of brain tumours are more likely to occur in children because paediatric brain tumours usually arise from "young" cells, also known as immature or primitive cells. Common paediatric brain tumours are medulloblastoma, ependymoma, astrocytoma, brain stem and optical nerve gliomas, and gangliogliomas. However, any type of brain tumour can occur in children as well as adults.

MEDULLOBLASTOMA 
Medulloblastomas arise from primitive neuro ectodermal tissue, or PNET. (PNET is a general term for a collection of many different brain tumours which arise from undeveloped brain cells.) Medulloblastomas are usually located in the cerebellum and are fast growing and highly malignant. They frequently spread, invading other parts of the central nervous system via the spinal fluid. Medulloblastomas account for the largest percentage of paediatric brain cancers. It is more common in boys than girls; it usually occurs between the ages of 2 and 6 (only 30% of medulloblastomas occur in adults); frequently spreads.

EPENDYMOMA 

Ependymomas arise from the cells that line the internal surfaces of the brain, thus, they are gliomas. The tumours arise from "ependyma", cells that line the fluid spaces of the brain and spinal cord. Ependymomas located in the cerebral hemispheres occur primarily in children and adolescents. Although these tumours are capable of malignant behaviour, they are almost always benign.

ASTROCYTOMA 

Astrocytomas arise from brain cells which form part of the supportive system of the brain, in particular, cells called "astrocytes" for their star shaped appearance. This tumour are usually slow growing and many are considered "curable". Astrocytomas are often cystic, in which case they are particularly easy to remove completely.
http://www.cancerbacup.org.uk/info/astrocytoma.htm

OPTICAL NERVE GLIOMA  

These are slow growing tumours which form along the optic nerves. They usually occur children under the age of 10. The common cell type is pilocytic astrocytoma.

BRAIN STEM GLIOMA 

These tumours, located in the brain stem, can be either slow or fast growing. Depending on the type of supporting tissue from which they arise, they can be either astrocytomas, anaplastic astrocytomas, glioblastoma multiforme, or a mixed tumour. In general, brain stem tumours are more common in children than they are in adults. Surgery is usually not possible in these tumours, and radiation and chemotherapy must be used instead.

OLIGODENDROGLIOMA

Slow growing tumours which arise from cells which make the myelin that insulates nerve fibres. They are located in the hemispheres of the brain, especially the frontal and temporal lobes, and in children are more common in the thalamus.

GANGLIOGLIOMAS 

Usually slow growing, rarely malignant. These tumours can be located anywhere in brain, but are most often found in the temporal lobe. They arise from ganglia (a ganglion is a group of nerve cells). They occur most frequently in children and young adults.

CRANIOPHARYNGIOMA 

Benign, congenital tumours. They are usually cystic and found primarily in children and adolescents.

PINEAL REGION TUMOURS   

The pineal gland is located in the posterior portion of the third ventricle. The most common tumour of the pineal region is the germinoma. Germinomas (germ cell tumours) represent over one-third of the tumours in this region. Germinomas of the pineal region are most common in teen-agers. Additional tumours found in this area include other embryonal type tumours, teratomas, astrocytomas, pineocytomas, and pineoblastomas.