Splenomegaly is enlargement of the spleen, usually a sign of an underlying disease rather than a problem on its own.
Many people have no symptoms. Others may feel fullness or discomfort in the upper left abdomen, early fullness when eating, or fatigue.
Imaging confirms the size of the spleen, checks for related findings (lymph nodes, liver changes, masses), and helps narrow the cause.
Ultrasound is the first test; CT or MRI can clarify the cause when needed.
Treatment is directed at the underlying cause — infection, blood disorder, liver disease, or other systemic illness.
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