In life, we often encounter accidents and conflicts. Sometimes, if a conflict occurs, we get hit in the chest. Some friends found that after being kicked in the chest, their voice became hoarse. In this situation, we actually cannot make any judgment. We recommend that you go to the hospital for a CT scan. We can use CT to see if there is any problem with the chest. The normal range of chest CT examination: 1. Lungs; 2. Mediastinum and hilum; 3. Pleura and chest wall. Chest CT scan is a method of examining the chest using CT. Clinical significance: 1. It helps to make a qualitative diagnosis of problems found on chest X-rays: Mass: (1) Differentiate whether the mass is cystic, solid, fatty, or calcified; (2) Determine the location and extent of the mass, and find out the anatomical connection between the mass and the mediastinum. 2. According to clinical needs, it can detect hidden sources of disease that are not found in chest X-rays: (1) Identify the presence of micrometastases, which can indicate the presence, location, size, and number of tumors so as to formulate a treatment plan. (2) CT-guided percutaneous biopsy enables histological diagnosis of certain tumors. (3) If chest X-ray and fiberoptic bronchoscopy are negative but sputum tumor cells are positive, CT should be performed to identify the source of the tumor in the lungs. 3. CT is inferior to X-ray in determining the degree and morphology of bronchial infiltration and stenosis, and is even inferior to bronchography. 4. The discovery, location and quantitative diagnosis of the source of the disease are relatively reliable; the qualitative diagnosis of solid masses is not accurate enough, and the source of the disease with a diameter of less than 1.5 cm cannot be clearly displayed. When choosing a physical examination package, some people found that some packages include a chest X-ray, while some packages include a chest CT scan. The prices are also different. A chest X-ray only costs 70 or 80 yuan, while a chest CT scan costs 200 to 300 yuan. What is the difference between these two types of examinations? Which test should we choose? What is a chest X-ray? Many people have had chest X-rays, and in their opinion, the whole process is that the person being examined stands behind a machine while the doctor performs an irradiation examination. In fact, this examination mainly uses X-rays to check for chest abnormalities. Most inspections can be completed in less than 0.1 seconds. The test is inexpensive and the amount of radiation is relatively small. What is Chest CT? This is a CT scan of the chest. CT is based on the different absorption and transmittance of radiation by different parts of the object being tested. A computer collects the transmitted radiation and forms a three-dimensional image, which can detect more tiny lesions in the body. The sensitivity is higher than that of chest X-ray, but the exposure time to radioactivity is longer, and the amount of radiation received is naturally much greater. How to choose between chest X-ray and chest CT? Under normal circumstances, for the general population, a chest X-ray can achieve the effect of preliminary screening for lung and mediastinal diseases. There is no need for a CT scan, which can avoid exposure to large amounts of radiation. However, for some high-risk groups such as those with lung cancer, chest CT should be chosen, as the accuracy of chest X-rays is not very high. For middle-aged and elderly men who like to smoke, they can also choose PET-CT if conditions permit, which is a more effective screening examination. |
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