TY - JOUR
T1 - Clinical anatomy of vertebrae in scoliosis
T2 - Global analysis in four different diseases by multiplanar reconstructive computed tomography
AU - Hong, Jae Young
AU - Suh, Seung Woo
AU - Tr, Easwar
AU - Hong, Suk Joo
AU - Yoon, Yong Chul
AU - Kang, Hyung Jin
PY - 2013/11
Y1 - 2013/11
N2 - Background context Few accurate analyses of clinically useful vertebral anatomy have been conducted, and most have focused on thoracic idiopathic scoliosis. Purpose To evaluate the different anatomic characteristics in scoliosis by disease type and level. Study design Observational cohort study. Patient sample Forty-eight patients with scoliosis were included in this study. Outcome measures Subjects underwent computed tomography (CT) of the whole spine. Methods Forty-eight patients with scoliosis were included in this study: 15 adolescent idiopathic, 11 cerebral palsy (CP), 10 muscular dystrophy (MD), and 12 congenital (CG) scoliosis patients with similar demographics. Subjects underwent CT of the whole spine, preoperatively. Eight anatomic parameters were measured in multiplanar reconstructive CT images, and statistical analysis was performed to investigate differences. Results In general, values in the anatomic parameters were similar for the four diseases. Each parameter showed the unique change pattern according to the spinal level regardless of curvature shape, direction, or magnitude. In particular, chord length (CL) in MD and CG scoliosis was lower than in adolescent idiopathic scoliosis (AIS) and CP, and pedicle rib unit length was lower in CG scoliosis than in the other diseases (p<.05). Comparisons of convex and concave anatomies in AIS showed that inner pedicle width (PWI) and outer pedicle width (PWO) were wider for convex side, CL, pedicle width, and transverse pedicle angle were greater for concave side (p<.05), and differences were more significant at apices. However, in CP, PWI and PWO were similar between convex and concaves sides (p>.05). Although PWI and PWO were wider for convex sides and CL and pedicle length were greater for concave sides in MD (p<.05), differences were less significant at apices. Particularly, CG scoliosis showed severely deformed anatomy, with differences of seven parameters at apical vertebrae (p<.05). Conclusion Clinical anatomies of vertebrae in scoliosis were found to differ significantly at different levels and in terms of convexity and disease type.
AB - Background context Few accurate analyses of clinically useful vertebral anatomy have been conducted, and most have focused on thoracic idiopathic scoliosis. Purpose To evaluate the different anatomic characteristics in scoliosis by disease type and level. Study design Observational cohort study. Patient sample Forty-eight patients with scoliosis were included in this study. Outcome measures Subjects underwent computed tomography (CT) of the whole spine. Methods Forty-eight patients with scoliosis were included in this study: 15 adolescent idiopathic, 11 cerebral palsy (CP), 10 muscular dystrophy (MD), and 12 congenital (CG) scoliosis patients with similar demographics. Subjects underwent CT of the whole spine, preoperatively. Eight anatomic parameters were measured in multiplanar reconstructive CT images, and statistical analysis was performed to investigate differences. Results In general, values in the anatomic parameters were similar for the four diseases. Each parameter showed the unique change pattern according to the spinal level regardless of curvature shape, direction, or magnitude. In particular, chord length (CL) in MD and CG scoliosis was lower than in adolescent idiopathic scoliosis (AIS) and CP, and pedicle rib unit length was lower in CG scoliosis than in the other diseases (p<.05). Comparisons of convex and concave anatomies in AIS showed that inner pedicle width (PWI) and outer pedicle width (PWO) were wider for convex side, CL, pedicle width, and transverse pedicle angle were greater for concave side (p<.05), and differences were more significant at apices. However, in CP, PWI and PWO were similar between convex and concaves sides (p>.05). Although PWI and PWO were wider for convex sides and CL and pedicle length were greater for concave sides in MD (p<.05), differences were less significant at apices. Particularly, CG scoliosis showed severely deformed anatomy, with differences of seven parameters at apical vertebrae (p<.05). Conclusion Clinical anatomies of vertebrae in scoliosis were found to differ significantly at different levels and in terms of convexity and disease type.
KW - Computed tomography
KW - Multiplanar reconstruction
KW - Scoliosis
KW - Vertebral morphology
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U2 - 10.1016/j.spinee.2013.06.047
DO - 10.1016/j.spinee.2013.06.047
M3 - Article
C2 - 23992938
AN - SCOPUS:84889081521
VL - 13
SP - 1510
EP - 1520
JO - Spine Journal
JF - Spine Journal
SN - 1529-9430
IS - 11
ER -