The components in pleural effusion are usually white blood cells, protein, etc., and the extraction of which usually does not lead to the decrease of white blood cells and platelets. The common decrease of white blood cells and platelets may be related to blood diseases, endocrine diseases, infections and so on.
Common causes of pleural effusion are mainly infections, tumors, etc., which may lead to chest tightness, shortness of breath, dyspnea, etc. In order to alleviate the symptoms or to clarify the cause of the disease, pleural effusion can be extracted, but it will not lead to a decrease in the number of white blood cells and platelets.
Common causes of leukopenia are infection, tumor, hyperthyroidism or hypothyroidism, aplastic diseases, etc. Common causes of thrombocytopenia are primary immune thrombocytopenia, infection, blood diseases, etc.
If the decrease of white blood cells and platelets occurs after drawing pleural effusion, further examination and diagnosis should be carried out in time.