In the lung disease, tuberculosis, pneumonia, lung cancer is the most common of these three diseases, and, in our daily contact with patients, the names of the three diseases often heard. However, in the lungs of hundreds of kinds of diseases, how to distinguish tuberculosis, pneumonia and lung cancer, strictly speaking, it is very difficult to finalize the kind of diseases, but also must pass the inspection before they are finally affirmed. For example: to distinguish between pulmonary tuberculosis and pneumonia pathogens that still need to pass the final examination of bacteriology, lung cancer, there is distinction of benign and malignant and malignant cancer cells to find, and sometimes also with benign by biopsy or surgical pathology after checks to identify, to say the disease in each category have their particularity. Tuberculosis, and some patients find sputum Mycobacterium tuberculosis, has not been able to find dozens of search; pneumonia caused by bacteria different from the type class, but can have different pneumonia, such as staphylococcal pneumonia, Escherichia coli pneumonia, green pus bacillary pneumonia, Streptococcus pneumonia, etc.; lung cancer can also due to the different types of cancer cells in different tissues of the lungs while not benign, such as: pulmonary hamartoma, inflammatory pseudotumor, pulmonary lipoma, abnormal lung fetal tumors and so on. Another example is again the same can be both a patient's lung tuberculosis, pneumonia and there, as well as cancer, even in the same patient's lung can exist two kinds of cancer. All these show that the diagnosis of lung disease has its complexity side, and sometimes it is very difficult.
Respiratory disease in the initial presenting symptoms may be similar, there is fever (some low-grade fever), cough, sputum, chest pain, night sweats, and some even coughing up blood, when it is difficult to determine what kind of lung disease, especially in the disease Early diagnosis is difficult, such as tuberculosis patients in other bacterial infections, they can at the same time the presence of pneumonia, when the patient is not a low heat, while you can have high fever, sputum expectoration will not be a white foam, but can have pus sputum of. Another example of tuberculosis patients in the presence of lung cancer, if there is, then the patient will become increasingly thin, the treatment of tuberculosis would be useless, because at that time the main contradiction of patients with lung cancer, and another example: if the patients with tuberculous pleurisy are lung cancer, there is, then the We pleural puncture pleural effusion is not as simple exudative pleural effusion Pleurisy relatively long slowly, but by the anti-tuberculosis treatment and pleural fluid after the puncture that it will slowly disappear. The invasion of tumors occurred after pleural malignant pleural effusion, most patients are bloody pleural effusion, and grow very fast, puncture pumping today after two or three days later will grow back.
Mycobacterium tuberculosis sputum examination, common pathogens training, as well as the examination of sputum cytology (ie, examination of sputum cells) can help us find the pathogens directly.
The chest X-ray films: In the chest X-ray lesions, we can find the shape, size, scope, density, height, as well as the site of lesion and the pleura and mediastinum, the heart of the relationship between the lesion's internal structure and so on. Thus according to various lung diseases on chest X-ray to determine the performance characteristics of its nature, chest X-ray films can have anteroposterior chest, lateral chest X-ray, oblique chest, convex digital chest radiography, CT chest X-ray ( CT has been replaced by a large majority of very little shooting, but this check is more economical, and sometimes you can achieve the same inspection purposes), you can also design according to the doctor to shoot chest X-ray position.
Thoracentesis examination: thorax puncture points puncture lung puncture and pleural cavity. Can help us to biopsy, chest and lung puncture puncture can also be therapeutic purposes, such as the lungs of the puncture pus-like pus and inject drugs, exudative pleurisy of the pleural effusion aspiration, you can also inject drugs and so on.
Fiberoptic bronchoscopy, the check is fiberoptic bronchoscope inserted directly from the nasal cavity to the trachea and bronchi in-depth segmental bronchi directly observed that the lesions can also check through the organization of pliers, clip taken lesion sites of organizations pathological examination can also be through a dedicated scrub brushes lesion site, and then washing liquid, it was discovered pathogens or cancer cells, but also for certain lung lavage to clear the small bronchi and bronchioles, through the bronchoscope into the treatment and, if foreign matter into the trachea and bronchi , but also through bronchoscopy out with pliers.
Computer tomography scan (ie, CT): the role and chest X-ray examination the same, but it is more sophisticated, level of more, higher resolution, more accurate lesion location, if you check the use of contrast agent, then the image is even more clear, easy to our three-dimensional observation of the lesion and observation of dynamic changes. Thoracotomy exploration: This is the need for close coordination thoracic surgeon, the check is not in any tuberculosis patients can be done, otherwise the patient does not accept.