Document Detail

Neonatal neurological disorders involving the brainstem: neurosonographic approaches through the squamous suture and the foramen magnum.
MedLine Citation:
PMID:  15809827     Owner:  NLM     Status:  MEDLINE    
Brainstem damage which often indicates a critical condition is usually underestimated by trans-anterior-fontanel neurosonography (NS) owing to the far-field limitations. Instead, NS alternately scanning through the squamous suture of the temporal bones and the foramen magnum could provide a better visualization of the brainstem structures. The NS characteristics of brainstem lesions caused by various neonatal neurological disorders, such as hypoxic-ischemic encephalopathy (HIE), metabolic encephalopathy, birth trauma and bacterial meningoencephalitis, can be depicted at the acute stage. An echogenic change in the midbrain was found in patients with HIE or metabolic encephalopathy. In addition to the echogenic change, bilateral transtentorial temporal lobe herniation distorting the contour of the midbrain was observed in a patient with group B streptococcus meningoencephalitis, whereas echogenic changes at the level of the pons and/or the medulla oblongata, mainly localized in the dorsal part, could be observed in newborns with severe HIE, maple syrup urine disease or birth trauma. In this pictorial assay, we demonstrate the feasibility of NS imaging in evaluating the entire brainstem structure of critically ill neonates in the near field and illustrate the characteristic features of brainstem involvement in various neonatal neurological disorders along with computed tomography or magnetic resonance imaging correlation.
Yi-Fang Tu; Cheng-Yu Chen; Yuh-Jey Lin; Ying-Chao Chang; Chao-Ching Huang
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Publication Detail:
Type:  Journal Article     Date:  2005-04-05
Journal Detail:
Title:  European radiology     Volume:  15     ISSN:  0938-7994     ISO Abbreviation:  Eur Radiol     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-08-10     Completed Date:  2005-12-06     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9114774     Medline TA:  Eur Radiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1927-33     Citation Subset:  IM    
Department of Emergency Medicine, National Cheng Kung University Hospital, Tainan, Taiwan.
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MeSH Terms
Birth Injuries / ultrasonography
Brain Diseases / congenital,  ultrasonography*
Brain Diseases, Metabolic / ultrasonography
Brain Stem / ultrasonography*
Cranial Sutures / ultrasonography*
Critical Illness
Encephalocele / ultrasonography
Feasibility Studies
Foramen Magnum / ultrasonography*
Hypoxia-Ischemia, Brain / ultrasonography
Infant, Newborn
Magnetic Resonance Imaging
Maple Syrup Urine Disease / ultrasonography
Medulla Oblongata / ultrasonography
Meningoencephalitis / microbiology
Metabolism, Inborn Errors / ultrasonography
Parietal Bone / ultrasonography*
Pons / ultrasonography
Streptococcal Infections / ultrasonography
Temporal Bone / ultrasonography*
Temporal Lobe / ultrasonography
Tomography, X-Ray Computed

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