Reference : Giant cavernoma of the brain stem: value of delayed MR imaging after contrast injection.
Scientific journals : Article
Life sciences : Genetics & genetic processes
Giant cavernoma of the brain stem: value of delayed MR imaging after contrast injection.
Thiex, R. [> >]
Krüger, Rejko mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Life Science Research Unit]
Friese, S. [> >]
Gronewaller, E. [> >]
Kuker, W. [> >]
European radiology
13 Suppl 6
Yes (verified by ORBilu)
[en] Adult ; Brain Edema/diagnosis ; Brain Stem Neoplasms/diagnosis ; Contrast Media/administration & dosage ; Female ; Follow-Up Studies ; Gadolinium DTPA/administration & dosage/diagnostic use ; Hemangioma, Cavernous, Central Nervous System/diagnosis ; Humans ; Image Enhancement/methods ; Magnetic Resonance Imaging/methods ; Time Factors ; Tomography, X-Ray Computed
[en] Cavernous angiomas are vascular malformations composed of slowly perfused, sinusoidal vessels which can be located in any part of the central nervous system. Whereas diagnosis is mostly straightforward in typical cases, some lesions may present in unusual locations or with unusual imaging characteristics. Because of the slow perfusion, contrast enhancement is not regarded as a characteristic imaging feature of cavernomas. We report a large brain stem cavernoma with signs of recent bleeding, in which the differential diagnosis against other mass lesions was facilitated by the demonstration of slow, but intense, contrast enhancement on MRI 1 h after contrast injection. We conclude that contrast enhancement in delayed images may contribute to a safe diagnosis of cavernous haemangiomas and should be performed in atypical cases.
Luxembourg Centre for Systems Biomedicine (LCSB): Clinical & Experimental Neuroscience (Krüger Group)

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