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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January 9, 2014
Atypical Vascular Neoplasm of the Cavernous Sinus (Low-to-Intermediate Grade)
- Rare benign neoplasm of the cavernous sinus
- Clinical Features: Headaches and diplopia
- Key Diagnostic Features: Heterogeneous signal on T2WI, with areas of decreased signal on T2WI and heterogeneous signal on delayed T1WI post contrast. This neoplasm is differentiated from a cavernoma, which demonstrates increased signal on T1WI and T2WI as well as delayed contrast pooling/enhancement.
- DDx: Cavernoma, aneurysm, meningioma, lymphoma, metastasis, pseudotumor
- Rx: If symptomatic, radiation therapy and pain management