Hyperintensity signal in the joint space of the temporomandibular joint on fat-saturated T2-weighted magnetic resonance imaging
| Autor: | Shinya Yura, Tsuyoshi Shima, Koji Nobata |
|---|---|
| Rok vydání: | 2010 |
| Předmět: |
Adult
Cartilage Articular Male musculoskeletal diseases Adolescent medicine.medical_treatment Joint Dislocations Signal Diagnosis Differential Young Adult Synovial Fluid Temporomandibular Joint Disc Humans Medicine Displacement (orthopedic surgery) Child Joint (geology) Reduction (orthopedic surgery) Aged Aged 80 and over Temporomandibular Joint medicine.diagnostic_test business.industry Mandibular Condyle Magnetic resonance imaging Middle Aged Temporomandibular Joint Disorders Joint effusion Image Enhancement Magnetic Resonance Imaging Hyperintensity Temporomandibular joint medicine.anatomical_structure Otorhinolaryngology Female Surgery Oral Surgery medicine.symptom business Nuclear medicine |
| Zdroj: | British Journal of Oral and Maxillofacial Surgery. 48:621-623 |
| ISSN: | 0266-4356 |
| DOI: | 10.1016/j.bjoms.2009.10.009 |
| Popis: | Our aim was to investigate the incidence of a hyperintense signal in the joint space of the temporomandibular joint (TMJ) on fat-saturated T2-weighted magnetic resonance images (MRIs). We studied 112 patients (224 joints) with disorders of the TMJ who were examined by T2-weighted MRI, and recorded the association between displacement of the disc and the hyperintense signal using the κ coefficient. A hyperintense signal was found in 4 of 91 joints (4%) when the disc was in the normal position, in all 19 joints with anterior disc displacement with reduction, and in 108 of the 114 joints (95%) with anterior disc displacement without reduction. There was a significant correlation between displacement of the disc and the hyperintense signal ( p κ coefficient was 0.91. Such a signal in the joint space of the TMJ on fat-saturated T2-weighted MRI may indicate the presence of synovial fluid in the joint space with displacement of the disc. |
| Databáze: | OpenAIRE |
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