Axial CT images at the level of the middle cerebellar peduncles show blood clot within the fourth ventricle. Axial CT images at the level of the middle.

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Presentation transcript:

Axial CT images at the level of the middle cerebellar peduncles show blood clot within the fourth ventricle. Axial CT images at the level of the middle cerebellar peduncles show blood clot within the fourth ventricle. A, Image from the portable CereTom scanner. B, Image at a level comparable with that in A acquired on a standard clinical scanner 12 hours later. Note relatively increased noise, however, with clear visualization of the hyperattenuated lesion with the portable scanner. Z. Rumboldt et al. AJNR Am J Neuroradiol 2009;30:1630-1636 ©2009 by American Society of Neuroradiology