IS Case 77: Giant Hepatic Cavernous Hemangioma
Imaging Sciences URMC 2008
Publication Date: 2009-05-20
Hemangiomas are the most common benign liver tumor. They occur with greater frequency in women (5:1). While identified in all age groups, hemangiomas are most often identified in postmenopausal patients.
The differential diagnosis includes hypervascular metastases such as thyroid cancer or renal cell carcinoma, though these are usually multiple and do not retain contrast on delayed phase imaging. A peripheral cholangiocarcinoma is also a diagnostic consideration. However, cholangiocarcinomas do not follow the density of vessels on multiphasic CT scans and are usually heterogeneous.
Hepatic cavernous hemangiomas are considered giant when they surpass 10 cm. Their angiographic appearance is virtually pathognomonic. Many are asymptomatic, but they may present with pain, as in this case. The pain is presumably elicited as the enlarging mass stretches the liver capsule. Treatment options for symptomatic lesions include particle embolization and surgical resection.
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