Lung Cancer- Its Symptoms & Prevention


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Lung Cancer- Its Symptoms & Prevention

  2. 2. What is this Lung Cancer ???  Lung cancer is a disease characterized by uncontrolled cell growth in tissues of the lung.  If left untreated, this growth can spread beyond the lung in a process called metastasis into nearby tissue or other parts of the body.  Most cancers that start in lung, known as primary lung cancers, are caecinomas that derive from epithelial cells.
  3. 3. Types Of Lung Cancer :   Small-Cell Lung Carcinoma (Oat Cell Cancer). Non-Small-Cell Lung Carcinoma.
  4. 4. Signs & Symptoms Of Lung Cancer…    Respiratory Symptoms : Coughing , Coughing Up Blood , Shortness Of Breath. Systemic Symptoms: Weight Loss, Fever , Fatigue. Symptoms Due to Local Compress: Chest Pain, Bone Pain, Difficulty Swallowing
  5. 5. Causes Of Lung Cancer ….  Smoking  Radon gas  Asbestos  Air pollution  Genetics
  6. 6. 1. Smoking…… About 106,000 people die each year in U.K. due to smoking
  7. 7. 2. Radon Gas…   Radon is the second-most common cause of lung cancer in the USA, after smoking. Radon is a colorless and odorless gas generated by the breakdown of radioactive radium, which in turn is the decay product of uranium, found in the Earth's crust.
  8. 8. 3. Asbestos…  Asbestos can cause a variety of lung diseases, including lung cancer.  Tobacco smoking and asbestos have a synergistic effect on the formation of lung cancer.  Asbestos can also cause cancer of the pleura, called mesothelioma.
  9. 9. 4. Air Pollution ….     Outdoor air pollution has a small effect on increasing the risk of lung cancer. Fine particulates and sulfate aerosols, which may be released in traffic exhaust fumes, are associated with slightly increased risk. Outdoor air pollution is estimated to account for 1– 2% of lung cancers. For nitrogen dioxide, an incremental increase of 10 parts per billion increases the risk of lung cancer by 14%.
  10. 10. 4.1. Outdoor Air Pollution…
  11. 11. 4.2. Indoor Air Pollution…  Due to the burning of wood, charcoal, dung or crop residue for cooking and heating.  Women who are exposed to indoor coal smoke have about twice the risk and a number of the by-products of burning biomass are known or suspected carcinogens.  This risk affects about 2.4 billion people globally, and is believed to account for 1.5% of lung cancer deaths.
  12. 12. 5. Genetics…  It is estimated that 8 to 14% of lung cancer is due to inherited factors.  In relatives of people with lung cancer, the risk is increased 2.4 times. This is likely due to a combination of genes.
  13. 13. Diagnosis…  Performing a chest radiograph is one of the first investigative steps if a person reports symptoms that may suggest lung cancer.  CT imaging is typically used to provide more information about the type and extent of disease.  Bronchoscopy or CT-guided biopsy is often used to sample the tumor for histopathology.
  14. 14. Plain Chest Radiography (X-Ray)…
  15. 15. Preventions…    Eliminate tobacco is primary goal. Policy interventions to decrease passive smoking in public areas. Bhutan Completely ban smoking since 2005 and India introduced a ban on smoking in public in October 2008.
  16. 16. For More Information….. Contact Details: Lajpat Nagar III (Near Moolchand Metro Station), New Delhi 110 024, India Telephone +91 11 4200 0000 Fax +91 11 4200 0300 Email Id
  17. 17. Thank You….. For Keeping Eye On It…..