J Korean Soc Ultrasound Med.
2011 Mar;30(1):41-44.
Brain-in-Brain Artifact (BIBA) in a Patient with Hydranencepaly: A Case Report
- Affiliations
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- 1Department of Radiology, College of Medicine Dankook University Hospital, Cheonan, Korea. sirenos@hanmail.net
- 2Department of Biomedical Engineering, College of Medicine Dankook University, Cheonan, Korea.
Abstract
- Hydranencephaly is a condition that is characterized by an absent brain mantle along with the subadjacent white matter, with replacement of the cerebral hemispheres by a thin-walled membranous sac containing CSF. During brain sonograpy in a neonate with hydranencephaly, we have found a brain-in-brain appearance as an unusual sonographic artifact. We report here on this interesting sonographic artifact in a neonate with hydranencephaly, and this artifact was due to multipath reflection artifact of the ultrasound beam/wave, and we explain the underlying physics.
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