A soft tissue mass was seen in the left upper lung, the size was about 5.1cm4.3cm, the outline was irregular, lobulated, and the CT value was 42HU. lymph nodes. Can CT Diagnose Lung Cancer?

The incidence of lung cancer has been on the rise in recent decades due to factors such as air pollution, uncontrolled environment, and rising smoking population. In Shanghai, the death rate of lung cancer ranks first for both men and women. It can be seen that lung cancer plays an important role in the prevention and treatment of malignant tumors. So, how can we detect lung cancer early and quickly, and diagnose it as soon as possible?

First of all, we must promote health examinations. Lung cancer often lacks any symptoms in the early stage. Due to the symptoms related to lung cancer, when they go to the hospital, most of the patients have the disease in the middle and late stages and lose the opportunity of surgical treatment. The treatment effect of these patients is relatively poor. Therefore, if lung cancer can be detected in the early stage of the disease, before symptoms appear, and scientific treatment can be taken, the curative effect will be greatly improved.

As a screening method, the most convenient and economical method is to take chest X-rays. However, a large number of foreign research data suggest that the use of chest X-rays for lung cancer screening cannot reduce the mortality rate of lung cancer patients. Therefore, chest X-ray is not advocated for early diagnosis of lung cancer at present.

CT scans are significantly more sensitive than plain chest radiographs in detecting abnormal lung shadows. Overseas, some lung cancer screening studies also suggest that CT has obvious advantages in detecting early lung cancer. Therefore, low-dose helical CT scans can be used for high-risk groups of lung cancer, 1-2 times a year, which is expected to detect early-stage lung cancer patients and improve the curative effect.

In addition, for the general symptoms of lung cancer, that is, the symptoms of the so-called clues, you should be vigilant and go to the hospital as soon as possible to rule out the possibility of lung cancer, especially if you are over 40 years old, and your smoking index exceeds 400 cigarettes (the number of cigarettes per day multiplied by the number of cigarettes smoked per day). Years), and unexplained cough, persistent unrelieved, or the original chronic cough symptoms, recent changes in the nature of cough; unexplained blood in sputum; repeated pneumonia in the same part, especially segmental pneumonia and lung Atelectasis; diagnosed with pulmonary tuberculosis, but the lesions increased during the anti-tuberculosis process; unexplained limb pain and hypertrophy or shoulder and back pain; pleural effusion without toxic symptoms; hoarse voice, choking after drinking water.

However, if a lung cancer mass is found by chest X-ray, CT or MRI, it is not sure that it is lung cancer, because the diagnosis must rely on pathology. Therefore, we must do everything possible to find cancer cells. Bronchoscopy can be used to find tumor cells through puncture and biopsy. The diagnosis can only be made 100 percent if the cancer cells are found. Because there are indeed some lung shadows that are highly suspected to be lung cancer in terms of morphology, they were later ruled out by surgery, biopsy or longer-term observation.

After the diagnosis of lung cancer, scientific treatment should be carried out in a timely manner. The treatment measures of lung cancer are mainly determined according to whether the tumor has metastasized (stage), the pathological type and biological behavior of the tumor, the patient's physiological function status, and age. Early-stage patients can be surgically resected, followed by adjuvant chemotherapy; locally advanced patients can be treated with radiotherapy combined with chemotherapy; and metastatic patients mainly rely on chemotherapy and targeted therapy drugs such as erlotinib. Drugs that can significantly improve survival in advanced lung cancer.

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