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Tuesday, 25 April 2017

Lung Cancer

Lung Cancer
Lung Cancer:
Lung cancer is the term used to describe the growth of abnormal cells lining the trachea inside the lung. These cells divide and grow more rapidly than normal cells. They are cancerous cells that combine to form a cluster or tumor in the lung.
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If the cancerous cells originate in the lungs, the tumor is called a primary lung cancer.
However, if some lung cancer cells are able to move through the blood vessels, they get attached to another organ of the body and continue growing. This growth and movement of the new cancerous cells is called malignant tumor or a secondary lung cancer.
Causes:
  • Smoking is a major factor in the development of lung cancer.
  • Secondhand smoking.
  • Genetic factor (family history).
  • Repeated exposure to chemical fumes and gasses such as radioactive radon gas. 
 Symptoms:
  • Acute and chronic cough accompanied by blood.
  • Change in the color, intensity and volume of coughing up sputum.
  • Wheezing.
  • Changes in the voice or being hoarse.
  • Great weight loss without known reason.
  • General feeling of fatigue and weakness.
  • Feeling of pain in chest, shoulder, arms or back.
  • Shortness of breath.
  • Recurrent pneumonia.
Diagnosis:
Lung cancer is diagnosed by:
  • Medical history.
  • Clinical examination.
  • X-ray of the lung.
  • CT scan
  • PET (Positron Emission Tomography) scan.
  • Biopsy of lung cells.

Risk Factors
  • Smoking.
  • Secondhand smoking.
  • Environmental pollution.
  • Repeated exposure to radon gas.
  • Repeated exposure to cancerous minerals and chemical materials such as: asbestos, uranium, diesel, arsenic, silica, nickel compounds, coal products, mustard gas, chrome ... etc.
  • Previous radiation therapy of the lungs.
  • Family history. 
 
Complications:
The lung cancer may cause health complications such as:
  • Shortness of breath.
  • Coughing up blood.
  • Feeling pain.
  • Accumulation of fluid in the lung.
  • Spread of the cancer to other parts of the body.

Treatment:
Initially, treatment of lung cancer depends on the following:
  • Size of tumor.
  • Type of tumor.
  • Stage of tumor.
  • Health condition of patient.

Accordingly, treatment plan will be developed; as yet there are three types of treatment to control the lung cancer:
  • Surgery.
  • Radiation therapy.
  • Chemotherapy.    
Prevention:
  • Quitting smoking.
  • Avoiding secondhand smoke.
  • Physical activities on a regular basis.
  • Maintaining a healthy diet full of fruits and vegetables.
  • Maintaining a normal weight.
  • Consulting your doctor and periodic follow-up.
  • Avoiding exposure to cancerous chemical materials.
 Source: http://www.moh.gov.sa/

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