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Using two-dimensional ultrasonography, we were able to observe normal intracranial structures in newborns and young infants. We used a 5-MHz mechanical sector scanner and occasionally a 3.5-MHz scanner, placing the transducer probe directly over the anterior fontanel.<BR>The 8 standard planes that we proposed in this report were 4 coronal planes (anterior horn, third ventricle, thalamus and posterior horn planes) and 4 sagittal planes (third ventricle, lateral ventricle body, posterior horn and insula planes). In coronal scans, we set the right side of the infant on the right side of the recorded imagittal scans, we set the anterior side of the infant on the rigittal scans, we set the anterior side of the incant on the right side of the recorded image.<BR>This method had many advantages in comparison with CT scanning in the following points. The ultrasonic power was thought to be non-invasive for the neonatal brain. As the unit was portable and the procedure did not require sedation of the patient, we were able to examine premature infants in their incubators, observing the recorded images simultaneously.<BR>On the recorded images of the two-dimensional ultrasonography, the contrast of the ventricle and the brain substance was clear even in premature infants, the basal ganglia and cerebral cortex presented different echo patterns, and the choroid plexus was highly echogenic without contrast enhancement.
- 一般社団法人 日本小児神経学会の論文
一般社団法人 日本小児神経学会 | 論文
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