Can pneumoconiosis cause coughing up blood?
Pneumoconiosis can cause hemoptysis, and the reasons are mainly related to secondary pulmonary fibrosis or secondary pulmonary hypertension, as well as infection with pulmonary tuberculosis. Pneumoconiosis, as the name suggests, is a disease caused by the long-term exposure to a large amount of dust, leading to the accumulation of dust in the lungs. This disease primarily causes fibrosis of the lungs, and due to the damage it causes to the lung structure, it makes tuberculosis infection more likely. If pulmonary fibrosis or pulmonary hypertension occurs, this can lead to hemoptysis. Additionally, if pulmonary tuberculosis coexists, and cavities form in the tuberculosis, this can also lead to hemoptysis. More accurately, it should be called expectoration of blood since it is important to distinguish this from gastrointestinal bleeding. Thus, it is entirely possible for pneumoconiosis to cause expectoration of blood.
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