Document Detail

Morphology of the adult midsagittal brainstem in relation to the reference systems MRI-based variability study.
MedLine Citation:
PMID:  20350825     Owner:  NLM     Status:  MEDLINE    
RATIONALE AND OBJECTIVES: Anterior/posterior commissure reference system (AC/PC reference system) and the fastigium/ventricular floor plane reference system (FFL/VFL reference system) are two reference systems used in the stereotactic localization of the invisible nuclei of the brainstem in magnetic resonance (MR) images. This study investigated the variation of the midsagittal brainstem in relation to the AC/PC and VFL/FFL reference systems with respect to age and gender. MATERIALS AND METHODS: High-resolution T1-weighted structural MR images were acquired from 64 adults (age range 21-60 years, 32 males and 32 females). The AC/PC and VFL/FFL reference systems were identified automatically. A set of landmarks of the midsagittal brainstem were defined and localized interactively. RESULTS: Results illustrated that there was significant difference between the variance of the anteroposterior coordinate of the landmarks in relation to the AC/PC reference system and that in relation to the FFL/VFL reference system (P < .05), the former is larger than the latter. The positions of the landmarks in the females are more anterior than those in the males in relation to the AC/PC reference (P < .05); the difference in relation to the FFL/VFL reference system was not found. CONCLUSION: Either the FFL/VFL reference system or the AC/PC reference system has its own advantage in the stereotactic localization of the structure in the brainstem.
Xiaoguang Chen; Xiaohua Hou; Wenpeng Gao; Minwei Zhu; Yuehua Wang; Haiyang Wang; Xiaofeng Wang; Zhiguo Lin
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-03-29
Journal Detail:
Title:  Academic radiology     Volume:  17     ISSN:  1878-4046     ISO Abbreviation:  Acad Radiol     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-05-11     Completed Date:  2010-08-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440159     Medline TA:  Acad Radiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  708-17     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2010 AUR. Published by Elsevier Inc. All rights reserved.
Department of Neurosurgery, First Affiliated Hospital of Harbin Medical University, No. 23 Youzheng Street, Nangang District, Harbin, Heilongjiang, China.
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MeSH Terms
Aging / pathology*
Brain Stem / anatomy & histology*
Image Interpretation, Computer-Assisted / methods*
Magnetic Resonance Imaging / methods*
Middle Aged
Reproducibility of Results
Sensitivity and Specificity
Sex Factors
Young Adult

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