Stature estimation in Japanese cadavers based on the second cervical vertebra measured using multidetector computed tomography.

The purpose of this study was to assess correlations between measurements of the second cervical vertebra (C2) and stature using multidetector computed tomography (MDCT) images, and to develop regression equations for estimating stature in a Japanese population. Measurements were performed on 216 Japanese subjects (116 males and 100 females) who underwent postmortem CT between May 2011 and November 2013. Sagittal images through the center of the C2 were used for assessment. The length from the top of the dens to the anteroinferior point of the vertebral body (DA), the length from the anteroinferior point of the vertebral body to the posterior point of the spinous process (AS), and the length from the top of the dens to the posterior point of the spinous process (DS) were measured. The correlation between stature and each parameter (DA, AS, and DS) was assessed using Pearson product-moment correlation coefficients and regression analysis was performed for stature estimation. All measurements of the C2 were positively correlated with stature regardless of sex. The highest correlation was observed for the DA in all cases, and the lowest correlation was observed for AS in all cases. However, the standard errors of estimate were large. Thus, our study concludes that the size of the C2 as measured with MDCT images may be useful for stature estimation only when better predictors, such as long bones, are unavailable.