| Brain - It is a spongy bunch of tissue, and is sheltered | | | | in the brain are often times life threatening. It is |
| by the skull with 3 thin membranes that is called the | | | | seldom turns to a malignant tumor. |
| meninges. The diluted fluid that is known as the | | | | Malignant brain tumors |
| cerebrospinal fluid protects the brain. The fluids will | | | | It is a tumor that contains cancer cells. It is generally |
| flow throughout the spaces in between the meninges | | | | more severe and more often life threatening. It |
| and to spaces within brains that is known to be the | | | | grows speedily and invades the nearby healthy brain |
| ventricles. | | | | tissues. Cancer cells seldom breaks away with the |
| Cancer - it started with cells, which is the main | | | | malignant tumors and spread up from one part to |
| component that builds up tissues. The tissues that is | | | | another parts of the brain or even to the body. The |
| responsible for building up the organs of the body. | | | | spreading is called the metastasis. Other times, the |
| Normally, cells will grow and divides to form another | | | | malignant tumors do not go beyond the healthy |
| new cell as long as the body needs the cells. As cells | | | | tissues. Tumor might be contained in a layer of |
| are growing old, the cells die, and it will be replaced | | | | tissues or bones of the skull. It is called the |
| by the new cells. | | | | encapsulated tumor. |
| Occasionally, this systematic procedure goes wrong. | | | | Tumor Grade |
| New cells are keeps on forming even the body does | | | | Brain tumors are grouped by grades, ranging from |
| not need them or old cells wound not die even if | | | | grade l to grade lV. These grades referred to the |
| they should. These extra cells will then form into | | | | looks of the cells under the microscope. Cells that are |
| masses of tissues that are called the tumor. | | | | of higher grades look more irregular and it grows |
| Benign brain tumors | | | | faster compared to the cells that are of lower grade |
| These are tumors that do not have cancer cells. | | | | tumors. |
| Benign brain tumor can usually be removed and also | | | | Primary brain tumors - these are tumors that begin |
| hardly ever to grow back. The borders and edges of | | | | within the brain tissues. They are named from the |
| benign brain tumors are clearly seen, and cells from | | | | type of the cells or portion of brain from where they |
| benign tumors are not invading the tissues that are | | | | begin. |
| surrounding them. But, benign tumors could press | | | | Secondary brain tumors - once the cancer had |
| with the sensitive portion of the brain that may | | | | spread up from the original part to the other position |
| cause a severe health problem. Nothing like benign | | | | in the body. |
| tumors in the other parts of the body, benign tumors | | | | |