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Imaging features of cavernous hemangiomas of the orbit [in French]

      Cavernous hemangioma is the most frequent benign tumor of the orbit. The clinical presentation is that of a slowly progressive intra-orbital mass with variable degrees of exophthalmos. CT typically demonstrates the presence of a well-defined oval or rounded shaped mass but MRI provides superior evaluation of the orbit. The tumor is intra-conal in 80% of cases and usually shows TlW hypo-intensity, T2W hyperintensity and heterogeneous contrast enhancement that becomes more homogeneous on delayed imaging (5 minutes).
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