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Please use this identifier to cite or link to this item: http://hdl.handle.net/10564/3501

Title: Magnetic resonance imaging analysis of the extensor carpi ulnaris tendon and distal radioulnar joint in triangular fibrocartilage complex tears.
Other Titles: 三角線維軟骨複合体損傷における尺側手根伸筋腱と遠位橈尺関節のMRI画像分析
Authors: Santo, Shigeru
Omokawa, Shohei
Iida, Akio
Shimizu, Takamasa
Hasegawa, Hideo
Tanaka, Yasuhito
Issue Date: Nov-2018
Publisher: Elsevier
Citation: Journal of orthopaedic science Vol.23 No.6 p.953-958 (2018 Nov)
Abstract: BACKGROUND: We compared the incidence of extensor carpi ulnaris (ECU) tendon and distal radioulnar joint (DRUJ) abnormalities using magnetic resonance imaging (MRI) between patients with triangular fibrocartilage complex (TFCC) tears and subjects without ulnar wrist pain. Additionally, we aimed to identify potential predictors of these MRI lesions. METHODS: The TFCC group comprised 70 consecutive patients with TFCC tears. The control group comprised 70 age- and sex-matched subjects without ulnar wrist pain. We evaluated the presence or absence of fluid collection in the DRUJ and ECU peritendinous area and longitudinal ECU tendon splitting. Dimensions of the fluid collection area around the ECU tendon were measured to evaluate the severity. The incidences of these abnormal MRI findings were compared between the two groups. We analyzed the correlation between the presence of ECU tendon and DRUJ lesions and variables including age, magnitude of ulnar variance, and type of TFCC tear. RESULTS: Significant differences were found between the two groups in the incidence of fluid collection of the DRUJ and ECU peritendinous area, and longitudinal ECU tendon splitting. Among the 70 patients with TFCC tears, age and the magnitude of ulnar variance were significantly correlated with the severity of fluid collection around the ECU tendon. The magnitude of ulnar variance in patients with DRUJ fluid collection was significantly larger than that in patients without fluid collection. There was a significant correlation between the presence of disc tears and DRUJ fluid collection. CONCLUSION: We found a higher incidence of accompanying abnormal MRI findings of the ECU tendon and DRUJ in patients with TFCC tears than in the control group. The presence of disc tears, the magnitude of ulnar variance, and age may be risk factors for these MRI lesions associated with TFCC tears.
Description: 博士(医学)・甲第690号・平成30年11月30日
Copyright © 2018 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/10564/3501
ISSN: 09492658
Academic Degrees and number: 24601A690
Degree-granting date: 2018-11-30
Degree name: 博士(医学)
Degree-granting institutions: 奈良県立医科大学
Appears in Collections:2018年度

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