Multiple Supratentorial and Infratentorial Cavernous Malformations

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Abstract

Although cerebral cavernous malformations can be encountered through the entire central nervous system, they are frequently seen in the cerebral hemispheres. In this case report, the magnetic resonance features of multiple cavernous hemangiomas involving rarely seen infratentorial areas besides the supratentorial areas are presented. A 25-year-old woman was admitted with complaints of headache and seizures. Her neurologic examination was normal. Cerebral magnetic resonance imaging revealed typical appearances of multiple cerebral cavernous malformations. T2-weighted gradient echo magnetic resonance images showed numerous millimetric hypointense “black dot” lesions with a marked susceptibility effect (hypointense “blooming”) caused by a peripheral rim of hemosiderin in the cerebral hemispheres, brainstem, and cerebellum.

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