The difference between symptoms and chest X-ray of pneumoconiosis and lung cancer
The development of pneumoconiosis may be an "immortal cancer"-pulmonary fibrosis, or it may be complicated with other lung diseases. It is also possible for pneumoconiosis to develop into lung cancer, which develops from many diseases. In terms of symptoms, pneumoconiosis and lung cancer have both similarities and differences, and the degree of development can be distinguished from them.
Pneumoconiosis
Early pneumoconiosis may have no symptoms, may also have cough, dyspnea, expectoration, mid-term may increase hemoptysis, chest pain and so on, but there is generally no low fever. In the early stage of lung cancer, there are long-term low fever, respiratory obstruction, chest pain, cough or blood in sputum, and may increase shortness of breath, neck edema, hoarseness and so on in the middle and late stage. And lung cancer is metastatic and will show other symptoms after metastasis, while pneumoconiosis will not.
Simple pneumoconiosis, also easy to cause some lung infection, inflammation, ordinary X-ray chest X-ray is difficult to accurately detect pneumoconiosis, need to use high kilovolt X-ray to do chest film. Chest X-ray films of pneumoconiosis will show nodular shadow, mass fusion focus, reticulated shadow, and hilar shadow changes, lung texture changes, pleural changes, and even emphysema. If combined with CT and other examinations, it is easier to make a diagnosis.
Central lung cancer
After a variety of respiratory diseases turn into cancer, according to the different occurrence of lung cancer, diffuse, central and peripheral lesions may appear in the chest X-ray. The central type is more typical, that is, it will highlight the hilar mass. After mutation, the mass will include metastatic lymph nodes. There may also be obstructive pneumonia, atelectasis, etc.
Peripheral lung cancer, most of the performance of the lung quasi-round nodules, masses, the edge will also appear lobulated small burr, there is no calcification. If there are extensive nodular, infiltrative diffuse shadows in both lung fields, most of them may be alveolar cell carcinoma. Most of the nodules are between 1~5mm, and the nodules are evenly distributed, the outline is clear, and there is a tendency of fusion and so on.
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