Lung stippled hyperdense shadows may be caused by lung infection, lung tumor or congenital developmental abnormality, and further examination is needed to clarify the cause of the disease. Lung CT examination found that the formation of lung streaks of dense shadows, its formation of more reasons: lung infection, such as pneumonia, tuberculosis, etc.; lung tumors, including benign tumors and malignant tumors; lung congenital developmental anomalies, such as lung cysts, and so on. If you find CT lung streaky hyperdense shadow, you need further examination to clarify the cause of the disease, and timely treatment of the cause of the symptomatic treatment, so as not to delay the condition.