A K Singh1, Z Fulton2, R Tiwari2, X Zhang2, L Lu2, W B Altmeyer2, B Tantiwongkosi2. 1. From the Department of Radiology, University of Texas Health Science Center San Antonio, San Antonio, Texas. singhak@uthscsa.edu. 2. From the Department of Radiology, University of Texas Health Science Center San Antonio, San Antonio, Texas.
Abstract
BACKGROUND AND PURPOSE: Widening of the basion-dens interval is an important sign of cranioverterbral junction injury. The current literature on basion-dens interval in children is sparse and based on bony measurements with variable values. Our goal was to establish the normal values of a recently described new imaging parameter, the basion-cartilaginous dens interval in children. MATERIALS AND METHODS: Three hundred healthy pediatric patients (0-10 years of age) were selected retrospectively. These patients were divided into 3 different groups: A (0-3 years), B (3-6 years), and C (6-10 years). The basion-cartilaginous dens interval was calculated on the sagittal MPR image of cervical spine CT in a soft-tissue window. The mean, SD, and the upper limit of normal (mean +2 SDs) of the 3 groups were calculated, and statistical tests were used to check for significant differences of the basion-cartilaginous dens interval among these 3 groups. RESULTS: The upper limits of the basion-cartilaginous dens interval for the 3 groups were 5.34 mm in group A, 5.64 mm in group B, and 7.24 mm in group C. There were statistically significant differences in the basion-cartilaginous dens interval values among the 3 groups. There was no statistically significant difference in basion-cartilaginous dens interval values between groups A and B; however, values in group C were significantly different from those in both A and B. There was no statistically significant difference in the basion-cartilaginous dens interval values between males and females. CONCLUSIONS: The basion-cartilaginous dens interval is a novel imaging parameter to assess cranioverterbral junction integrity in children, which includes the nonossified cartilage in the measurement.
BACKGROUND AND PURPOSE: Widening of the basion-dens interval is an important sign of cranioverterbral junction injury. The current literature on basion-dens interval in children is sparse and based on bony measurements with variable values. Our goal was to establish the normal values of a recently described new imaging parameter, the basion-cartilaginousdens interval in children. MATERIALS AND METHODS: Three hundred healthy pediatric patients (0-10 years of age) were selected retrospectively. These patients were divided into 3 different groups: A (0-3 years), B (3-6 years), and C (6-10 years). The basion-cartilaginousdens interval was calculated on the sagittal MPR image of cervical spine CT in a soft-tissue window. The mean, SD, and the upper limit of normal (mean +2 SDs) of the 3 groups were calculated, and statistical tests were used to check for significant differences of the basion-cartilaginousdens interval among these 3 groups. RESULTS: The upper limits of the basion-cartilaginousdens interval for the 3 groups were 5.34 mm in group A, 5.64 mm in group B, and 7.24 mm in group C. There were statistically significant differences in the basion-cartilaginousdens interval values among the 3 groups. There was no statistically significant difference in basion-cartilaginousdens interval values between groups A and B; however, values in group C were significantly different from those in both A and B. There was no statistically significant difference in the basion-cartilaginousdens interval values between males and females. CONCLUSIONS: The basion-cartilaginousdens interval is a novel imaging parameter to assess cranioverterbral junction integrity in children, which includes the nonossified cartilage in the measurement.
Authors: Seleipiri Akobo; Elias Rizk; Marios Loukas; Jens R Chapman; Rod J Oskouian; R Shane Tubbs Journal: Childs Nerv Syst Date: 2015-08-08 Impact factor: 1.475
Authors: L Fernando Gonzalez; David Fiorella; Neil R Crawford; Robert C Wallace; Iman Feiz-Erfan; Denise Drumm; Stephen M Papadopoulos; Volker K H Sonntag Journal: J Neurosurg Spine Date: 2004-10