IS Case 5: Hepatic Cavernous Hemangioma
Imaging Sciences URMC 2008
Publication Date: 2009-05-18
A 76-year-old female with acute chest pain, tachycardia, and shortness of breath. Contrast enhanced CT revealed bilateral pulmonary emboli. This hepatic lesion was incidentally found and later evaluated with MRI.
A hepatic cavernous hemangioma is the most common benign tumor of the liver. Histologically, it is a well-circumscribed mass of blood-filled spaces lined by a single layer of endothelial cells on thin, fibrous stroma. Most hemangiomas are solitary and peripherally located. They occur sporadically and are usually asymptomatic.
* T1WI - hypointense to liver parenchyma * T2WI - hyperintense to liver and spleen parenchyma * Dynamic contrast enhanced imaging (3 enhancement patterns): o immediate uniform enhancement o peripheral enhancement with centripetal progression to uniform enhancement o peripheral nodular enhancement with centripetal progression but persistent central hypointensity
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