Document Detail

Posterior fontanelle cranial ultrasound: anatomic and sonographic correlation.
MedLine Citation:
PMID:  7588159     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The purpose of this study was to correlate normal brain anatomy as seen on posterior fontanelle cranial sonography with anatomical sections of the premature infant brain. MATERIALS AND METHODS: Images obtained from 93 cranial ultrasound examinations performed via both the anterior and posterior fontanelle in 53 infants, ranging in gestational age from 24 to 42 weeks, were reviewed to determine the ultrasound anatomy visible and also the changing appearances with increasing gestational age. The brains of five infants were sectioned at post-mortem according to predetermined anatomical landmarks to correlate with posterior fontanelle ultrasound scan planes. Brain preservation techniques involved fixation in formalin at room temperature, refrigeration of brain following formalin fixation, and brain freezing at -17 degrees C. RESULTS: In the premature infant brain, the subarachnoid space is up to 15 mm in thickness. Occipital lobe anatomy well seen includes occipital horns of lateral ventricles, and white matter tracts to the visual cortex and visual association areas. Brain anatomy was better appreciated on sections obtained following brain freezing rather than formalin fixation. CONCLUSION: Satisfactory ultrasound anatomic correlation of the premature brain is possible using a brain freezing preservation technique. Posterior fontanelle ultrasound allows detailed illustration of occipital lobe anatomy.
N G Anderson; R Hay; M Hutchings; M Whitehead; B Darlow
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Early human development     Volume:  42     ISSN:  0378-3782     ISO Abbreviation:  Early Hum. Dev.     Publication Date:  1995 Jun 
Date Detail:
Created Date:  1995-12-15     Completed Date:  1995-12-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  7708381     Medline TA:  Early Hum Dev     Country:  IRELAND    
Other Details:
Languages:  eng     Pagination:  141-52     Citation Subset:  IM    
Department of Radiology, Christchurch Hospital, New Zealand.
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MeSH Terms
Brain / growth & development*
Cerebral Ventricles / anatomy & histology,  ultrasonography
Cranial Fossa, Posterior / anatomy & histology,  ultrasonography*
Echoencephalography / methods
Gestational Age
Infant, Newborn
Infant, Premature
Occipital Lobe / anatomy & histology,  ultrasonography
Subarachnoid Space / anatomy & histology,  ultrasonography
Visual Cortex / anatomy & histology,  ultrasonography

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