Hepatocellular carcinoma metastasis to meningioma (tumor-to-tumor metastasis)
Diagnosis certain
Presentation
Headacke, left hemiparesis, no other history.
Patient Data
Age: 60 years
Gender: Male
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Extra-axial mass with hyperdense crescent posteroinferiorly suggestive of blood.
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Selected images demonstrate a vividly enhancing extra-axial mass with hemorrhagic crescent between the mass and the adjacent brain.
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The patient went on to have a resection demonstrating a meningioma with a superimposed hepatocellular metastasis.
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Subsequent CT of the liver demonstrates an arterially enhancing mass in the posterior aspect of the left lobe, with washout on portal venous phase.
Case Discussion
Metastases to meningiomas are a rare but recognized event.
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