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钡肺是良性尘肺的一种,是吸入微粒的钡尘而沉积于肺所致。钡肺可多年没有症状与异常体征,也没有肺功能障碍和不易发生肺或支气管感染或其他气管疾患,因而不会影响工作能力。由于钡有较高的射线影象,故患者X线胸片有稀疏的极端致密阴影,甚至在大多数健康情况很好的病例也有十分多的阴影,没有发生过大片状阴影。当仃止接触钡尘时,阴影开
Barium is a kind of benign pneumoconiosis, inhaled particles of barium dust deposited in the lung caused. Barium lungs can be years without symptoms and signs of abnormalities, and no pulmonary dysfunction and less prone to pulmonary or bronchial infections or other tracheal disorders, and therefore will not affect the ability to work. Due to the higher radiographic image of barium, the patient’s chest radiographs have a sparsely-dense, extremely dense shadow, which is quite shadowy even in most of the most healthy cases, with no large patchy shadows. When you stop contacting barium dust, the shadow is on