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Magnetic resonance imaging of temporomandibular joint synovial fluid collection and disk morphology

Authors
 Jong-Ki Huh  ;  Hyung-Gon Kim  ;  Jee-Young Ko 
Citation
 Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology, Vol.95(6) : 665-671, 2003 
Journal Title
 Oral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology 
ISSN
 1079-2104 
Issue Date
2003
Abstract
OBJECTIVE: The purpose of this study was to determine the features of synovial fluid, the shape of the disk, and the presence of disk displacement without reduction (DDsR) of the temporomandibular joint. STUDY DESIGN: A total of 612 bilateral temporomandibular magnetic resonance images of 306 patients were reviewed. The status of the joint was categorized as follows: normal disk position, disk displacement with reduction, acute DDsR, subacute DDsR, and chronic DDsR. The disk shape was characterized as one of following: biconcave, cap-shaped, cup-shaped, flattened, eyeglass-shaped, amorphous, or discontinuous. The amount of synovial fluid was divided into 4 categories: not observed, small, moderate, or large. RESULTS: Synovial fluid collection was observed more frequently with subacute DDsR and when the disk was a folded shape. CONCLUSION: Synovial fluid collection, which was observed on T2-weighted magnetic resonance images, is more frequent in the early stage of DDsR. In addition, high signal intensity within the disk space should be considered a simple matter of fluid collection.
Full Text
http://www.sciencedirect.com/science/article/pii/S1079210403000994
DOI
10.1067/moe.2003.159
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
김형곤(Kim, Hyung Gon)
허종기(Huh, Jong Ki) ORCID logo https://orcid.org/0000-0002-7381-3972
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/114644
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