How should lung cancer be checked? 5 tests can diagnose lung cancer

Lung cancer not only causes pain to patients, but also causes them to lose their precious lives and brings a lot of pain to their families. Therefore, lung cancer patients should receive timely treatment. Knowing some knowledge about how to check for lung cancer is helpful for the treatment of patients. So, how should lung cancer be checked?

How to check for lung cancer 1. Sputum exfoliative cytology examination: This method is relatively simple and easy, but the positive detection rate is only 50% to 80%, and there will be 1% to 2% false positives.

How to check lung cancer 2. Percutaneous lung puncture cytology: For cases with peripheral lesions that cannot be opened by thoracotomy, and for which other methods have not established a histological diagnosis. The positive rate in malignant tumors is 74% to 96%, and the positive rate in benign tumors is 50% to 74%.

How to check lung cancer 3. Thoracentesis cytology: For patients with pleural effusion or pleural metastasis and suspected cases, thoracentesis can be used to extract pleural effusion cells for analysis, which can provide a basis for the patient's diagnosis

How to check for lung cancer 4. Scalene muscle and supraclavicular lymph node biopsy: Some conventional biopsy methods cannot palpate the scalene muscles or supraclavicular lymph nodes, and it is difficult to find metastasis. For patients with palpable supraclavicular lymph nodes, the diagnosis rate can often reach 90%.

How to check lung cancer 5. Serum tumor markers: This method plays an important role in the examination of lung cancer. The results of tumor markers should be combined with other examinations to make a diagnosis, and cannot be diagnosed alone.