Xie Yonghong,Tan Xiaoqian,Tan Qian,et al.Correlation analysis between imaging features of low-density lines and fracture risk in children of non-Crawford type Ⅳ congenital pseudarthrosis of the tibia[J].Journal of Clinical Pediatric Surgery,,():1047-1050.[doi:10.3760/cma.j.cn101785-202504049-010]
Correlation analysis between imaging features of low-density lines and fracture risk in children of non-Crawford type Ⅳ congenital pseudarthrosis of the tibia
- Abstract:
- Objective To explore the imaging characteristics of low-density lines in children of non-Crawford type Ⅳ CPT (congenital pseudarthrosis of the tibia) and analyze their association with fracture risk. Methods For this retrospective case series study,106 CPT children admitted from January 2015 to December 2020 were selected as research subjects.Baseline data (gender,age at an initial visit,age at an initial onset,affected extremity sideness,presence of NF1,occurrence of tibial fracture & a definite history of trauma),imaging data (Crawford classification,low-density line distribution & progression) and treatment-related details (surgical or conservative treatment,treatment before and after low-density line occurring) were recorded. Results The clinical types were Crawford Ⅰ(n=27),Crawford Ⅱ(n=47),Crawford Ⅲ(n=32).Among 106 non Crawford type Ⅳ cases,there were 70 cases in non fracture group and 36 cases in fracture group.Statistically significant inter-group difference existed in the proportion of children with low-density lines (14/70 vs. 32/36) (P<0.05). Conclusions The larger the proportion of low-density lines in transverse diameter of tibial bone marrow,the higher the risk of fracture occurrence.It may be employed as an important reference indicator for predicting fracture risk.
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Memo
收稿日期:2025-4-18。
基金项目:国家临床重点专科重大科研专项(Z2023057);湖南省卫生健康委卫生科研课题(W20243208);儿童骨科学湖南省重点实验室(2023TP1019);长沙市自然科学基金项目(kq2502165)
通讯作者:杨戈,Email:yangge@zju.edu.cn