影像检查方法的选择（Selection of radiographic examination methods）.docVIP

影像检查方法的选择（Selection of radiographic examination methods） The choice of imaging methods --- for beginners reference image Selection of imaging methods for chest diseases Pneumonia 1. Lobar pneumonia: chest X-ray is the most common examination for lobar pneumonia, and chest CT is used for differential diagnosis. 2 bronchial pneumonia: ibid 3, interstitial pneumonia: ibid Two, lung abscess: ibid Three bronchiectasis: chest CT, especially HRCT, is the most common method of diagnosing bronchiectasis, and less use of chest radiograph. Four, pulmonary tuberculosis: chest X-ray is one of the common imaging examination methods of pulmonary tuberculosis. Chest CT and HRCT can show the fine signs of pulmonary tuberculosis, and are often used in the diagnosis and differential diagnosis. Five 、 bronchogenic carcinoma 1, the right lateral chest X-ray (including CR, DR) for the initial screening of lung cancer. 2, chest CT is the first choice for imaging diagnosis of lung cancer. Fine structure by CT and HRCT observation of lung cancer, CT MPR, 3DCT spiral CTVE for lung cancer in many aspects, preliminary observation of central lung cancer tracheobronchial lesions, CT guided lung biopsy for diagnosis of peripheral lung cancer. Enhanced CT is used to identify pulmonary nodules and vascular sections, to assess lymph node metastasis and macrovascular involvement. CTA is also used to assess the involvement of large vessels. Dynamic enhanced CT for the diagnosis of difficult pulmonary nodules. 3, MRI is generally not used for screening and diagnosis of lung cancer. 4 and PET are less used, can be used for differential diagnosis of lung cancer, evaluation of efficacy and recurrence judgment. 5 、 DSA is currently used for bronchial arterial infusion chemotherapy for primary lung cancer. 6, physical examination screening lung cancer can choose X-ray positive side film, chest low-dose CT. Six, pulmonary metastatic tumor: chest X-ray commonly used, but easy to leak detection of metastatic n