There are many types of lung cancers. However, according to the histopathologic factors, the types of lung cancer are:
- Oat Cell Carcinoma or Small Cell Carcinoma -The tumor in cancer is made of unspecialized small cells.
- Adenocarcinoma – It is the lung cancer of glandular tissues, the cancer cells form glandular cells in Adenocarcinoma.
- Squamous Cell Carcinoma – In this the cancer occurs in the layers of the bronchi.
- Large Cell Carcinoma - In this lung cancer, anaplastic cells that are large in size form in the bronchi usually.
- Broncho Undifferentiated and mixed Pulmonary Carcinoma
However all of these are divided into two main categories because of there different treatments, one is non small cell lung carcinoma and the other is small cell lung carcinoma. Small cell lung carcinoma is hard to treat because by the time it is diagnosed it has spread to a large portion of the lung. It is usually by chemotherapy and radiation therapy that is employed to treat it. Whereas, non small cell carcinoma is not malignant and the tumor can be cut away.
Non-Small Cell Lung Carcinoma
NSCLC includes large cell carcinoma, adenocarcinoma and squamous cell carcinoma. Towards the outer edges of the lungs is the Large cell carcinoma and occurs in the form of masses, scar and nodules mostly. Small cell and Squamous cell carcinoma are located in the center of the lungs and is similar to inflammation of the lungs in appearance. It forms pit like masses. The slow growing Squamous cell cancers takes long to develop into a tumor. Adenocarcinoma has much worse prognosis as compared to the squamous cell cancer. The large cell cancer prognosis is like that of adenocarcinoma.
Small Cell Lung Carcinoma
Small cell lung carcinoma is the main reason of most of primary lung cancers. Approximately 20% of the lung cancers are Small cell lung carcinoma. Both the groups Non-Small Cell Lung Carcinoma and Small cell lung carcinoma are important to know as tow different types as both require different treatments and care. Small cell lung carcinoma spreads fast and reaches in small and distant parts of the lungs. It is hard to diagnose and by the time you know you have Small cell lung carcinoma, it has spread to the distant parts. It is only treated through radiations and chemotherapy. It is however highly responsive to both of these treatments.
Asbestos Related Lung Cancer
This kind of cancer differs from Malignant Mesothelioma Cancer in that the cancerous cells begin developing from within airways. Lung cancer can develop in response to asbestos irritation in the trachea, bronchial tubes, or bronchioles and spread to other organs throughout the body if not diagnosed and treated early. Cigarette smokers who are also exposed to asbestos have a significantly heightened risk of developing lung cancer when compared to non-smokers. Compensation is already being recovered on behalf of thousands of patients and families of those exposed to asbestos and diagnosed with lung cancer.
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