cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury.

cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury. Research Abstract Details 

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cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury. Abstract Text:

G K Spanos,E A Wilde,E D Bigler,H B Cleavinger,M A Fearing,H S Levin,X Li,J V Hunter,G K Spanos,E A Wilde,E D Bigler,H B Cleavinger,M A Fearing,H S Levin,X Li,J V Hunter,

BACKGROUND AND PURPOSE: Although the cerebellum has not attracted the same degree of attention as cortical areas and the hippocampus in traumatic brain injury (TBI) literature, there is limited structural and functional imaging evidence that the cerebellum is also vulnerable to insult. The cerebellum is emerging as part of a frontocerebellar system that, when disrupted, results in significant cognitive and behavioral consequences. We hypothesized that cerebellar volume would be reduced in children following TBI and wished to examine the relation between the cerebellum and known sites of projection, including the prefrontal cortex, thalamus, and pons. MATERIALS AND METHODS: Quantitative MR imaging was used to measure cerebellar white and gray matter and lesion volumes 1-10 years following TBI in 16 children 9-16 years of age and 16 demographically matched typically developing children 9-16 years of age. Cerebellar volumes were also compared with volumetric data from other brain regions to which the cerebellum projects. RESULTS: A significant group difference was found in cerebellar white and gray matter volume, with children in the TBI group consistently exhibiting smaller volumes. Repeating the analysis after excluding children with focal cerebellar lesions revealed that significant group differences still remained for cerebellar white matter (WM). We also found a relation between the cerebellum and projection areas, including the dorsolateral prefrontal cortex, thalamus, and pons in 1 or both groups. CONCLUSION: Our finding of reduced cerebellar WM volume in children with TBI is consistent with evidence from experimental studies suggesting that the cerebellum and its related projection areas are highly vulnerable to fiber degeneration following traumatic insult.

cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury. Publishing Authors By Initials

GK Spanos,EA Wilde,ED Bigler,HB Cleavinger,MA Fearing,HS Levin,X Li,JV Hunter,GK Spanos,EA Wilde,ED Bigler,HB Cleavinger,MA Fearing,HS Levin,X Li,JV Hunter,

For similar nervous system: central nervous system: brain: prosencephalon: diencephalon: thalamus research abstracts see: nervous system: central nervous system: brain: prosencephalon: diencephalon: thalamus research

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cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: AJNR. American journal of neuroradiology

VOLUME: 28

Page Numbers: 537-42

Journal Abbreviation:

ISSN: 0195-6108

DAY: 3

MONTH: Mar

YEAR: 2007

cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury. Information

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LANGUAGE: eng

NlmUniqueID: 8003708

cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury. Keywords Mesh Terms:

KEYWORDS: Thalamus

MESH TERMS: pathology

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Grant and Affiliation Information for cerebellar atrophy after moderate-to-severe pediatric traumatic brain injury.

AFFILIATION: Department of Diagnostic Imaging, Texas Children's Hospital, Houston, TX, USA.

Country: United States

AGENCY: United States NICHD

GRANT: U19 HD35476

ACRONYM: HD

MEDLINETA: AJNR Am J Neuroradiol

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