brain and spinal cord
It consists of the disorganized and uncontrolled proliferation of cells in support of the
Because the brain is protected in
rigid box, any increase in their volume is harmful, so it
considered all the
In principle, although recent research points to the contrary, the nerve cells of the adult does not multiply, so the brain cancers do not originate there.
To operate the nerve cells need the help of several auxiliary cells:
Cell coating (meninges and epÚndimo; cover external and internal brain) and.
provinientes cells from the rest of the body, such as white blood cells.
They come from these cancers.
The brain is also the preferred place for metastatic cancers originated elsewhere in the body, especially lung,
Signs and symptoms.
produce symptoms attributable to three main causes:
Irritation of the nerve tissue, which causes
, which according to the affected area, will produce:
Partial loss of vision,
aphasia (an inability to speak)
loss of sensitivity,
Increasing the pressure inside the skull:
alterations in the mobility of pupils,
Attributable to all of them can be great changes in personality.
Often cancers of the
tissue does not produce symptoms until they have
surprisingly large volume.
In advanced stages is
coma (loss of consciousness) and even
decerebration (disconnection of the brain)
show an increase in this type of tumor.
Diagnosis and Treatment.
In the presence of signs and symptoms suggestive, will be conducted clinical relevance:
The analytical does not play
The imaging tests are critical, especially scanner (TAC) and resonance (NMR) brain, which detect
large proportion of cases,
larger than 1 cm.
When in doubt, be carried out tests to rule out the
of metastatic tumor, expanding the search to the entire body, using
The treatment of brain
is mainly surgical.
In some cases radiotherapy plays an important role, to settle in areas beyond the reach of the scalpel.
Anticancer medication game
very modest role in these types of
treatment is one of the most investigated, although, for
, with few results.
Psychological advice for the patient and his
Means for the care and replacement of deficits caused by the tumor, such as railings, walkers, and so on.
Primarily to relieve pain and control
, if it occurs.
Also to reduce the pressure inside the skull.
Those derived from the growth of the tumor.
such as meningiomas and craniofaringiomas, are curable by surgery.
Others, like astrocytomas, can completely removed, depending on their accessibility.
Most are incurable, limiting surgery to reduce and delay the effects of the same (palliative treatment)
The quality of life of patients can be kept well until very advanced stages.