| Neurodevelopmental Outcome in Infants with Increased Subarachnoid Cerebrospinal Fluid Accumulation. |
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Munhyang Lee, Sun Young Ko, Yun Sil Chang, Won Soon Park, Hyung Jin Shin, Hye Kyung Yoon, Bokyung Kim Han |
1Department of Pediatrics, Samsung Medical Center, Sung Kyun Kwan University, College of Medicine, Seoul, Korea.
2Department of Neurosurgery, Samsung Medical Center, Sung Kyun Kwan University, College of Medicine, Seoul, Korea.
3Department of Radiology, Samsung Medical Center, Sung Kyun Kwan University, College of Medicine, Seoul, Korea. |
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| Abstract |
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Since the advent of ultrasonography, brain imaging evaluation by this method became very popular in pediatric population due to its easy access and noninvasiveness. As more and more ultrasonographic head imagines were performed, the enlargement of subarachnoid corebrospinal fluid (CSF) space was found to be a common finding. Enlargement of subarachnoid CSF spaces, especially extra-axial CSF space is a specific radiologic pattern but its pathogenesis and significance have not been established. Widening of the subarachnoid CSF space on cranial imaging has been related to a wide spectrum of conditions including genetic syndromes, prematurity, previous intraventricular or subarachnoid hemorrhage, meningitis, cerebral atrophy or subdural collections, and it may occur in pathologic or nonpathologic conditions. Various terms have been used to describe this finding . external hydrocephalus, benign subdural effusion, benign extra-axial collections, subdural hygroma, benign subarachnoid fluid collection. Since there is no clear study regarding the neurodevelopmental outcomes of these population, many physicians have performed follow-up imaging studies and have had difficulty in explaining to parents about this finding. Our goals in the present study were to provide further clinical and developmental information concerning enlargement of the subarachnoid space by the prospective follow-up of a group of infants identified by specific head ultrasonographic criteria and to propose a plan for future management. |
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