Journal of Jilin University(Medicine Edition) ›› 2020, Vol. 46 ›› Issue (03): 594-599.doi: 10.13481/j.1671-587x.20200326

• Research in clinical medicine • Previous Articles    

Three-dimensional morphological measurement of proximal radius and its guiding significance for prosthesis design

WANG Zhe1, YANG Wenbo1, HAN Qing2, LI Yanxuan3, RONG Jiarui3, CHENG Kailiang1, LI Youqiong3, ZHU Qingsan4   

  1. 1. Department of Radiology, China-Japan Union Hospital, Jilin University, Changchun 130033, China;
    2. Department of Orthopedics, Second Hospital, Jilin University, Changchun 130041, China;
    3. Department of Human Anatomy, School of Basic Medical Sciences, Jilin University, Changchun 130021, China;
    4. Department of Orthopedics, China-Japan Union Hospital, Jilin University, Changchun 130033, China
  • Received:2019-03-28 Published:2020-06-11

Abstract: Objective: To measure the morphological parameters of the radial head of the Chinese and compare with those of the Western population, and to provide the references for the design of the radial head prosthesis of the Chinese. Methods: The CT scan data of normal elbow from 130 Chinese cases were selected. All the data were scanned by using a 64-slice spiral CT scanner and reconstructed and measured on AW 4.5 workstations. The angle between neck and shaft (∠α),the proximal radial length of neck and head (LNH), the maximum diameter of radial head (D1MAX), the minimum diameter of radial head (D2MIN), the maximum diameter of articular surface (D3MAX) and the maximum vertical depression depth (DD3),the angle between D3MAX and horizontal plane (∠β3),the minimum diameter of articular surface (D4MIN) and the minimum vertical depression depth (DD4), and the angle between D4MIN and horizontal plane (∠β4) were measured. The measurement results of the male and female were compared and the correlations between different parameters were analyzed. Results: The measured values of ∠α, LNH, D1MAX, D2MIN, D3MAX, DD3, D4MIN and DD4 of the normal male were larger than those of the normal female (P<0.01). There were no significant differences in the measured values of ∠β3 and ∠β4 and the ratios of DD3/D3MAX, D4MIN/D3MAX, ∠β3/∠β4 and D2MIN/D1MAX between the normal male and the normal female (P>0.05). There was a strong positive correlation between ∠α, LNH, D1MAX, D2MIN, D3MAX and D4MIN (P<0.05), and there was also a strong positive correlation between ∠β3 and ∠β4(P<0.05). Conclusion: The morphology of radial head of the normal male Chinese is similar to the female. The morphological parameters of the radial head in the Chinese people are different from those in other countries.

Key words: radius, prosthesis design, arthroplasty, replacemen, morphological feature

CLC Number: 

  • R322.71