Morphological analysis of isolated hemivertebra: radiographic manifestations related to the severity of congenital scoliosis

Autor: Tianhua Rong, Yang Jiao, Yizhen Huang, Erwei Feng, Heng Sun, Junduo Zhao, Jianxiong Shen
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: BMC Musculoskeletal Disorders, Vol 25, Iss 1, Pp 1-11 (2024)
Druh dokumentu: article
ISSN: 1471-2474
DOI: 10.1186/s12891-024-07193-8
Popis: Abstract Purpose The natural history of congenital scoliosis (CS) caused by hemivertebra varies greatly. This study aimed to explore the association between the morphology of hemivertebra and the severity of CS, since the diagnosis of the hemivertebra. Methods Patients with isolated (single fully segmented) hemivertebra were enrolled. The degree and progression of deformity were compared by three morphological parameters of hemivertebra, comprising whether the width of hemivertebra extends across the central vertical line of lower adjacent vertebra (midline); the lateral height ratio (LHR, lateral height of hemivertebra× 2/(lateral height of HV-1 plus HV + 1) with the cut-point being 0.9; and the sagittal position of hemivertebra that was divided into the lateral and posterolateral group. Results In total, 156 patients (mean age 9.7 ± 6.2 years, 81 males) were enrolled. The number of thoracic, thoracolumbar (T12/13-L1), and lumbar hemivertebrae were 63, 41, and 52, respectively. Hemivertebrae across the midline had larger scoliosis and kyphosis (58.3 ± 20.6° vs. 42.8 ± 15.0°, P
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