Causes of massive splenomegaly
•Congestive splenomegaly due to cirrhotic or non cirrhotic portal hypertension or splenic vein obstruction
•Hemolytic anemias due to extramedullary hematopoiesis
•Chronic infections especially malaria and kala-azar in endemic areas
•Malignancies
•Storage disorders ,especially  Gaucher’s, and Niemann-pick disease
•Anatomical lesions like splenic cysts, hemangiomas or hamartomas
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