The causes of splenomegaly are infectious diseases (acute infections, chronic infections), non-infectious diseases (splenic stasis, blood disorders, tumors and cysts, immune disorders, etc.).
1.Infectious diseases:
(1) Acute infections:For example, bacteremia, acute viral hepatitis, subacute bacterial endocarditis, cornual tuberculosis and other diseases can lead to splenomegaly.
(2) Chronic infections, such as chronic schistosomiasis and chronic viral hepatitis, can lead to splenomegaly.
2. Non-infectious diseases:
(1) Splenic stasis: usually seen in massive pericardial effusion, constrictive pericarditis, chronic congestive right heart failure, biliary cirrhosis, portal vein thrombosis, portal vein atresia, and so on causing splenomegaly.
(2) Blood diseases: such as acute and chronic leukemia, red leukemia, erythroleukemia, malignant lymphoma, hypersplenism, megaloblastic anemia, idiopathic thrombocytopenic purpura and other diseases.
(3) Tumors and cysts: such as lymphoma, plasmacytoma, malignant lymphoma, etc.
(4) Immune diseases: such as rheumatoid arthritis, systemic lupus erythematosus and so on.
There are many causes of splenomegaly, so it is recommended to consult a doctor in time and follow the doctor’s instructions.