放射科知识（Radiology knowledge）.doc

放射科知识（Radiology knowledge） What are the performance of silicosis and how to diagnose? 2009-11-4 14:50 [small] [i] to error correction [clinical] General in silicosis patients early symptoms or symptoms is not obvious, with the development of disease, symptoms increased, mainly as follows: (a) cough and sputum due to dust stimulation and airway inflammation and cough, or cough reflex. The degree and the number of sputum cough and bronchitis or pulmonary infection are closely related, but is not consistent with the degree of silicosis. A minority of patients with blood sputum. If there is a repeated hemoptysis medical education, education network to collect, should be combined with tuberculosis or bronchiectasis. (two) 40% to 60% of patients with chest pain stabbing chest pain. One side or both sides is in the upper part of the chest, has nothing to do with breathing, posture and labor, often appear in the rainy days and the climate changing. Chest tightness, shortness of breath (three) depends on the scope and nature of disease. In extensive and rapid progress is obvious and severe shortness of breath. This is due to lung fibrosis and alveolar destruction, bronchial stenosis and pleural thickening and adhesion, leading to ventilation and ventilation function damage results. Patients can still have dizziness medical education, education network to collect, palpitations, fatigue, appetite loss and other symptoms. Early examination of silicosis patients often showed no abnormalities. Due to severe silicosis nodules fusion, lung tissue contraction, can tracheal shift and turbid percussion sound. The diagnosis [] The diagnosis should be based on: the history of dust exposure, including the free silica content of raw materials and finished products in the production environment, dust concentration, dust particle size, operation methods and protective measures (including personal protection); the patients with past history and occupation health; the clinical symptoms, signs