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- Title
MR Imaging of Bilateral Paramedian Thalamic and Mesencephalic Infarcts.
- Authors
Sparacia, G.; Iaia, A.; Cavarretta, G.; Mularo, V.; Fiamma, M. E.; Di Giovanna, E.; Midiri, M.
- Abstract
We describe MR imaging of bilateral infarction of the paramedian portion of the mesencephalus and thalamus due to an occlusion of the Percheron artery. This entity is due to one of the anatomic variants of the perforating arteries supplying the thalamus and mesenchephalus. Clinically this kind of infarction presents with neurologic impairment as a disorder of consciousness, memory dysfunctions, various types of vertical gaze palsy and psychic changes, which need to be differentiated from delirium and coma. At MRI evaluation infarction of the paramedian portion of thalami and midbrain, with a "butterfly wings" pattern, was demonstrated as high signal intensity areas on FLAIR and FSE-T2W images and with diffusion restriction on DWI images.
- Subjects
CEREBRAL infarction; MAGNETIC resonance imaging of the brain; MESENCEPHALOTOMY; THALAMUS surgery; ATTENTION-deficit hyperactivity disorder; DIFFUSION magnetic resonance imaging
- Publication
Neuroradiology Journal, 2010, Vol 23, Issue 1, p48
- ISSN
1971-4009
- Publication type
Case Study
- DOI
10.1177/197140091002300108