Document Detail


Measuring cranial vault volume with three-dimensional photography: a method of measurement comparable to the gold standard.
MedLine Citation:
PMID:  20856030     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The gold standard for measuring cranial vault volume is a computed tomography (CT) scan. Computed tomography scans in the pediatric population carry the significant risk of inducing a malignancy later in life. In a novel study, we show that a three-dimensional (3D) photograph can be used to measure and track cranial vault volume changes in craniosynostosis patients. In a study of adequate power as determined by pre hoc analysis, we demonstrate a greater than 0.91 correlation coefficient between volume as measured by CT and 3D photograph in more than 70 patients presenting to a tertiary craniofacial center (P < 0.001). Volume above a plane running through the lateral canthus (ex) and tragus (t) sag-ex-t on the digital 3D photograph differs from CT by a mean percentage difference of 31.9% (SD, 14.0%; 95% confidence interval, P < 0.0001). A linear regression model was used to determine the equation describing the relationship between volume as measured by 3D photograph and CT; with this equation, the absolute volume of the cranial vault is easily determined using only the 3D image. Interrater reliability is high (>0.99, ICC). The ability to measure cranial vault volume from the 3D photograph adds an important dimension to the complete and objective analysis of skull growth and postoperative change.
Authors:
Douglas R McKay; Kristen M Davidge; Susanne K Williams; Lloyd A Ellis; David K Chong; Rodrigo P Teixeira; Andrew L Greensmith; Anthony D Holmes
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of craniofacial surgery     Volume:  21     ISSN:  1536-3732     ISO Abbreviation:  J Craniofac Surg     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9010410     Medline TA:  J Craniofac Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1419-22     Citation Subset:  D    
Affiliation:
Royal Children's Hospital, Department of Plastic and Maxillofacial Surgery, Melbourne Australia. doug.mckay@utoronto.ca
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