Abnormal MRI signal intensity of the triangular fibrocartilage complex in asymptomatic wrists

Author:

Wang Zhixin1,Chen Shanlin1ORCID,Liu Bo1,Qian Zhanhua2,Zhu Jin1,Wang Qianqian3

Affiliation:

1. Department of Hand Surgery, Beijing Jishuitan Hospital, Beijing, China

2. Department of Radiology, Beijing Jishuitan Hospital, Beijing, China

3. Beijing Jishuitan Hospital, Beijing Institute of Trauma and Orthopedics, Beijing, China

Abstract

We investigated abnormal MRI findings of the triangular fibrocartilage complex in 154 asymptomatic volunteers (21–79 years). Except prevalence, we focused on the morphological features of abnormal signals in relation to age. The majority of full-thickness tears were located in the articular disc (63 participants). The incidence of disc perforation with characteristics of ulnar impaction syndrome increased significantly with age. Asymptomatic full-thickness tears of the ulnar attachment were found in ten participants (seven over 60 years old). The proximal and distal laminae of the ulnar attachment could not be differentiated in 36 participants. In conclusion, MRI is of limited value for the elderly in diagnosing triangular fibrocartilage disorders. For young subjects, MRI is still valuable, especially in diagnosing ulnar detachment, although the ability to distinguish between proximal and distal laminae remains questionable. Disc perforations in volunteers mimicked ulnar impaction syndrome, therefore age, clinical signs and other factors should also be considered in clinical diagnosis. Level of evidence: III

Publisher

SAGE Publications

Subject

Surgery

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. TFCC Degeneration;Medical Radiology;2024

2. Ligament Injuries;Medical Radiology;2024

3. Wrist & Hand;Bone & Joint 360;2023-06-01

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