Is a group of diseases characterized by
cells hostile e (which grow and divide without Borders), and the ability of
these cells divided over the invasion of adjacent tissue and destroy it, or
move to distant tissues in the process we call metastasis. These capabilities
are the characteristics of a malignant tumor in contrast to adenoma, which is
characterized by specific growth and the inability to invasion and has no
ability to move or transmission. Can also be the development of adenoma to a
malignant cancer in some cases.
Cancer that can affect all ages when human embryos up to, but it increases the
risk of infection as people age.
[1] and cause of cancer death by 13% of all deaths.
[2] and the American Cancer Society suggests ACS to the death of 7.6 million
people sick with cancer in the world in 2007
[3] also affects the forms of human cancer, which affects animals and plants
alike.
Mostly, due to the transformation of healthy cells to cancerous cell changes in
the genetic material / gene. These changes may cause carcinogenic factors such
as smoking, or radiation or chemicals, or infectious diseases (Kalasabh
viruses). There is also an encouraging factor for the occurrence of cancer,
such as a random error or mutation in a DNA-DNA at cell division, or because of
this error or inherited mutation of the mother cell.
Changes occur, or genetic mutations in two genes:
Genes and tumor: a gene active in the case of the
cancer cell to cell give new properties, such as excessive growth and division
in abundance, and provide protection against Alastmath (programmed cell death),
and help the cancer cell to grow in unusual circumstances.
Of the tumor inhibitory genes: the genes being stopped
in the case of the cancer cell because it is opposed to configured by
correcting any errors in copying DNA, and monitor cell division, and working on
a fusion of cells and lack of movement, it also helps the immune system to
protect the fabric.
All are classified as a type of cancer that arises from tissue cancer (cancer
location) and the nearest cell similar to the intact cell cancer (cancer
histology). Determine a final diagnosis of the situation affected by examining
the specialist pathology or biopsy sample taken from the tumor, although the
possibility of the onset of symptoms of the malignant tumor or by X-ray vision.
At the moment is processed most cancers may be cured, and this depends on the
type of cancer, its location, and stage. When cancer is detected, begin
treatment with surgery or chemotherapy and radiation. Thanks to developments in
research, it was possible the production of drugs able to target cancer cells
distinguish them at the molecular level, which reduces the likelihood of target
cells.
Control symptoms
Often control the symptoms of cancer is
feasible to treat the cancer itself, but it is
very important to improve the quality
of life of the patient, may
also determine if the patient can be engaged in
other types of treatments. Despite the presence of experience of the
doctors to heal the pain and symptoms such
as nausea, vomiting, diarrhea, bleeding
and other symptoms, but it has emerged
a new type of specialization in the
treatment of housing Palliative Care to the patient. Give medications include
morphine, oxycodone, anti-vomiting.
Improvement of chronic
pain patients because of the
destruction of the evolution of cancer
of the tissue or
because of the treatment used (surgery
or radiation or
drugs). They often
show near the end of the patient's life. It must then rest the patient
and relieve pain Palmorvinat. Hates specialists
provide cancer patients with narcotics for fear of addiction or a patient
has stopped breathing
for the patient.
Shows fatigue as
a problem predominantly in
patients with cancer, which affects
the quality of life of the patient. Recently, this offer is
treated by doctors.
