What diagnostic tests are usually done for lung cancer? Three tests are required to diagnose lung cancer

Lung cancer is troubling many people. In recent years, due to the influence of various factors, its incidence has been on the rise. Smoking is recognized as an important cause. Early detection and treatment are crucial, and early recovery is expected. Knowing that lung cancer requires long-term examination and diagnosis will help everyone better treat the disease. What diagnostic tests are usually performed for lung cancer?

1. Sputum exfoliative cytology. This is a simple and easy method for diagnosing lung cancer. It is suitable for the general survey of high-risk groups and the diagnosis of unexplained hemoptysis. After getting up, rinse your mouth with clean water. Fresh sputum coughed up from the deep lungs or bronchial secretions sucked out by bronchoscope can be used as examination specimens. The positive detection rate is only 50% to 80%, and there is a 1% to 2% false positive rate.

2. Percutaneous lung puncture cytology. This method is suitable for patients with peripheral lesions who are not suitable for thoracotomy for various reasons and for whom other methods have failed to establish a histological diagnosis. What tests are usually done for lung cancer? Percutaneous puncture cytology is a common method for diagnosing lung cancer metastasis.

3. Mediastinoscopy. It is mainly used to determine the extent of central lung cancer invading the mediastinum. Lymph nodes are aspirated or removed for pathological examination. The lymph node metastasis pattern is examined. Patients with positive mediastinal lymph nodes, especially those with metastasis to the contralateral mediastinal lymph nodes or undifferentiated lung cancer, are contraindications for lung resection.

The above is a detailed introduction to the diagnostic tests usually performed for lung cancer. You should all know the diagnostic test methods. There are many clinical examination methods for lung cancer. Patients should take scientific and effective treatment measures according to their own conditions and not delay treatment of the disease, which will cause more harm.