Splenomegaly is a larger-than-normal spleen.
Spleen enlargement; Enlarged spleen; Spleen swelling
The spleen is an organ that is a part of the lymph system. The spleen filters the blood and maintains healthy red and white blood cells and platelets.
Many health conditions can affect the spleen. These include:
Symptoms of splenomegaly include:
Splenomegaly can be caused by any of the following:
It is important to prevent injury that might cause the spleen to rupture. You should avoid contact sports.
Your doctor or nurse will tell you what else you need to do to take care of yourself and any medical condition.
There are usually no symptoms from an enlarged spleen. Some people have pain in the left upper part of the belly area (abdomen). You should seek medical help right away if it is severe or gets worse when you take a deep breath.
The health care provider will ask about your symptoms and medical history.
A physical exam will be done. This will include feeling your abdomen. The health care provider will tap along the left upper part of your abdomen and feel in that same area, especially just under the rib cage.
Tests that may be done include:
Armitage JO. Approach to the patient with lymphadenopathy and splenomegaly. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 171.
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