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A Radiographic Database for Estimating Biological Parameters in Modern Subadults

Stephen David OusleySuzanne DalyKathryn FrazeeKyra Stull

出版	Mercyhurst University, 2013
URL	http://books.google.com.hk/books?id=xWwPngEACAAJ&hl=&source=gbs_api

註釋In all research involving growth, it is essential to obtain large samples when divided by age, ancestry/ethnicity, and sex, and not merely a large sample in total. A radiographic sample derived from a morgue population of subadults is essentially the only modern source that can provide enough radiographic and demographic information, especially for the very young. Full-body radiographs are rarely taken in a clinical context, but extensive and often full-body radiographs are rarely taken in a clinical context, but extensive and often full-body radiographs are routinely collected by medical examiners and coroners during postmortem examination of fetuses, infants, children, and many subadults. Clinical radiographs, however, provide samples from ages that are poorly represented in MECOs. During the course of the grant, it was recognized that additional data sources data were required because MECOs have very few cases involving children between five and 14 years of age. Basic information to be gleaned from radiographs includes appearance and fusion of epiphyses and long bone lengths. Because the process of radiography involves magnification and distortion of actual bone shape, any study incorporating measurements from radiographs must compensate for those effects.