Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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February 22, 2010
Orbital Cavernous Hemangioma
- Orbital cavernomas are venous malformations characterized by endothelial-lined blood-filled cavernous spaces.
- Ovoid masses, well demarcated, sightly rim which is T2 hypointense, intraconal but outside of the nerve, homogeneously filling on delayed post contrast images (both CT and MRI) and commonly associated with chemical shift artifact.
- Diferential diagnosis: hemangiopericytoma, lymphoma, metastasis, schwannoma and optic nerve sheath meningioma.
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