Document Detail

Identification of pre- and postcentral gyri on CT and MR images on the basis of the medullary pattern of cerebral white matter.
MedLine Citation:
PMID:  2006278     Owner:  NLM     Status:  MEDLINE    
The authors illustrate a new method to identify the pre- and postcentral gyri on computed tomographic (CT) and magnetic resonance (MR) images of the brain on the basis of the pattern of the medullary branches of the cerebral white matter. The most commonly used method to identify the gyri depends on recognition of the central sulcus by surface arrangement of the sulci. The two methods were compared by analysis of CT images of 104 subjects who had normal findings (age range, newborn to 60 years; 57 males and 47 females). The usefulness of the new method was also determined in angiographic studies of nine patients with space-occupying lesions. The method is especially helpful for identification of gyri on the lower level of the centrum semiovale and if space-occupying lesions are present that may result in a blurred depiction of sulci. Since MR imaging depicts the medullary branches more clearly than does CT, this new method should facilitate identification of the gyri with either modality.
S Iwasaki; H Nakagawa; A Fukusumi; K Kichikawa; K Kitamura; H Otsuji; H Uchida; H Ohishi; K Yaguchi; H Sumie
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Radiology     Volume:  179     ISSN:  0033-8419     ISO Abbreviation:  Radiology     Publication Date:  1991 Apr 
Date Detail:
Created Date:  1991-04-23     Completed Date:  1991-04-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  207-13     Citation Subset:  AIM; IM    
Department of Radiology, Nara Medical University, Japan.
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MeSH Terms
Brain / anatomy & histology*,  radiography
Brain Neoplasms / pathology,  radiography
Cerebral Angiography
Cerebral Cortex / anatomy & histology,  radiography
Cerebrovascular Disorders / pathology,  radiography
Child, Preschool
Infant, Newborn
Magnetic Resonance Imaging*
Middle Aged
Tomography, X-Ray Computed*

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