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Dorsal intercalated segmental instability associated with malunion of a reconstructed scaphoid

Title
Dorsal intercalated segmental instability associated with malunion of a reconstructed scaphoid
Author
이광현
Keywords
Scaphoid malunion; carpal malalignment; dorsal intercalated segmental instability
Issue Date
2017-03
Publisher
SAGE PUBLICATIONS LTD
Citation
JOURNAL OF HAND SURGERY-EUROPEAN VOLUME, v. 42, no. 3, page. 240-245
Abstract
We analysed scaphoid deformity as a result of surgical treatment of scaphoid fracture nonunion and assessed the deformity associated with a dorsal intercalated segmental instability pattern of carpal malalignment. A total of 45 patients who were treated for scaphoid fracture nonunion were included in the study. The height to-length ratio of the scaphoid was measured on computed tomographic images and used to assess scaphoid deformity. Carpal malalignment was quantified based on the radio-lunate angle. A correlation analysis between the height-to-length ratio and the radio-lunate angle was performed. Dorsal intercalated segmental instability was defined as a radio-lunate angle >15, and a receiver operating curve analysis was used to calculate the cutoff height-to-length ratio that can be accompanied with dorsal intercalated segmental instability. Extension of the lunate increases in proportion to the flexion deformity of the scaphoid; dorsal intercalated segmental instability can occur if the height-to-length ratio of the scaphoid is >0.73.
URI
https://journals.sagepub.com/doi/10.1177/1753193416680133https://repository.hanyang.ac.kr/handle/20.500.11754/113364
ISSN
1753-1934; 2043-6289
DOI
10.1177/1753193416680133
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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