Cancer disease: description, facts, signs and symptoms, causes and treatment.

1. CANCER

2. INDEX
Description
Cancer facts
Signs and symptoms
Causes
Treatment

3. DESCRIPTION
 Cancer is a disease in which abnormal cells divide
without control and are able to invade other tissues
(metastasis)

5. SIGNS AND SYMPTOMS
 Local effects: they occur
due to the mass of the tumor
or its ulceration.They depend
on the location of the tumor.
 Systemic symptoms: they
occur due to distant effects
of the cancer.These may
include: weight loss, fever,
being excessively tired, and
changes to the skin.

6. CAUSES
 Chemicals: tobacco,
alcohol, benzene, asbestos.
 Diet and exercise: Diet,
physical inactivity and
obesity are related to up to
30–35% of cancer deaths.
 Hormones: oral
contraceptives increase the
risk of breast cancer.

7. CAUSES
 Radiation: ionizing
(medical imaging) and non-
ionizing (UV radiation)
 Infectious agents: viruses,
bacterias and parasites.
 Heredity: caused by an
inherited genetic defect.
Less than 0.3% of the
population.

8. TREATMENT
 Chemotherapy:
anticancer drugs
(alkylating agents,
antimetabolites)
 Radiation: damaging the
DNA of cancerous tissue
leading to cellular death.
 Surgery: to remove the
tumor.

9. TREATMENT
 Immunotherapy: for
stimulating the immune
system to fight cancer
 Transplantation: bone
marrow transplantation
and peripheal blood stem
cell transplantation
(leukemia)
 Palliative care: for
improving the person’s
quality of live.

10. BIBLIOGRAPHY
 http://www.cancer.gov/
 http://en.wikipedia.org/wiki/Cancer
 http://www.aicr.org/
 http://www.cancer.net/
 http://www.cancer.org/index