What diseases can be detected by a chest CT scan?
Generally speaking, a chest CT refers to a chest CT scan. A chest CT scan may detect diseases such as pneumonia, pulmonary nodules, bronchiectasis, pulmonary tuberculosis, and lung cancer. If discomfort symptoms occur, timely medical consultation and treatment under a physician's guidance are recommended. Detailed analysis is as follows:
1. Pneumonia
Pneumonia refers to an inflammatory disease occurring in the lungs. Patients may experience symptoms such as fever, cough, and sputum production. On chest CT scans, pneumonia typically presents as consolidation in a lobe or segment of the lung, with blurred margins and uniform density.
2. Pulmonary Nodules
Pulmonary nodules refer to round or oval imaging findings of various sizes with clear or blurred margins on lung imaging. They usually do not cause obvious symptoms. On chest CT scans, pulmonary nodules typically appear as small nodule-like shadows in the lungs, with densities that may be higher than or equal to surrounding lung tissue.
3. Bronchiectasis
Bronchiectasis refers to chronic inflammation and fibrosis of the bronchi and surrounding lung tissue, resulting in bronchial deformation and persistent dilation. Patients may experience symptoms such as cough, sputum production, and hemoptysis. On chest CT scans, bronchiectasis appears as bronchial luminal widening, forming beaded or cystic changes.
4. Pulmonary Tuberculosis
Pulmonary tuberculosis is a chronic infectious disease caused by Mycobacterium tuberculosis. Patients may experience symptoms such as cough, low-grade fever, and night sweats. On chest CT scans, pulmonary tuberculosis typically presents as patchy, nodular, or small flake-like high-density shadows with blurred margins. Thick-walled cavities may sometimes be observed, with smooth inner walls and blurred or lobulated outer margins.
5. Lung Cancer
Lung cancer is a malignant tumor arising from the bronchial mucosa or glands. Patients may experience symptoms such as cough, chest pain, and dyspnea. On chest CT scans, lung cancer typically presents as solitary nodules or masses within the lung, with lobulated margins, spiculated edges, and pleural indentation.
Maintaining good living and dietary habits, quitting smoking, limiting alcohol consumption, and engaging in appropriate exercise in daily life can help prevent the occurrence of these diseases.