On lung imaging a few fibrous streak-like shadows are found in the right lung, which are commonly referred to as fibrotic foci. It may be caused by environmental factors, as well as old inflammation of the lungs and tuberculosis.
1. Environmental factors: In people who have been smoking and exposed to dust for a long time, including stonemasons, cooks, coal miners, etc., a few fibrous foci may form in the lungs due to long-term inhalation of dust.
2. Old inflammation of the lungs: After the patient has an infection in the right lung, the fibrous scar tissue that appears when the lung tissue is repaired during the recovery period shows a few fibrous streak-like shadows on the imaging of the right lung, which is also known as few fibrous foci in the right lung.
3. Tuberculosis: the attack of Mycobacterium tuberculosis leads to a more serious inflammatory reaction in the focal area of tuberculosis, and during the recovery period, there will also be fibrous scar tissue proliferation, resulting in the phenomenon of a few fibrous foci in the right lung.
When the patient examination found the right upper lung little fibrous foci, do not need to be too nervous, you can go to the hospital, clear the cause of the disease and follow the doctor’s instructions for treatment.