Splenic hamartoma is a rare benign tumor of the spleen. It is usually found incidentally at autopsy or splenectomy. We report a case of splenic hamartoma that was discovered during medical workup for vague upper abdominal pain. Abdominal sonography demonstrated a well-demarcated, slightly hypoechoic splenic solid mass; the mass was markedly enhanced on color Doppler sonography after injection of microbubble contrast agent. This finding may help to distinguish splenic hamartomas from other relatively common splenic tumors, such as hemangiomas or metastases.
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