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Computed tomography and magnetic resonance imaging characteristics of giant cell tumors in the temporomandibular joint complex

Authors
 Yoon Joo Choi  ;  Chena Lee  ;  Kug Jin Jeon  ;  Sang-Sun Han 
Citation
 IMAGING SCIENCE IN DENTISTRY, Vol.51 : e18, 2021-01 
Journal Title
 IMAGING SCIENCE IN DENTISTRY 
ISSN
 2233-7822 
Issue Date
2021-01
Keywords
Diagnostic Imaging ; Giant Cell Tumors ; Magnetic Resonance Imaging ; Temporomandibular Joint
Abstract
Purpose: This study aimed to investigate the computed tomography and magnetic resonance imaging features of giant cell tumors in the temporomandibular joint region to facilitate accurate diagnoses. Materials and Methods: From October 2007 to June 2020, 6 patients (2 men and 4 women) at Yonsei University Dental Hospital had histopathologically proven giant cell tumors in the temporomandibular joint. Their computed tomography and magnetic resonance imaging findings were reviewed retrospectively, and the cases were classified into 3 types based on the tumor center and growth pattern observed on the radiologic findings. Results: The age of the 6 patients ranged from 25 to 53 years. Trismus was found in 5 of the 6 cases. One case recurred. The mean size of the tumors, defined based on their greatest diameter, was 32 mm (range, 15-41 mm). The characteristic features of all cases were a heterogeneously-enhancing tumorous mass with a lobulated margin on computed tomographic images and internal multiplicity of signal intensity on T2-weighted magnetic resonance images. According to the site of origin, 3 tumors were bone-centered, 2 were soft tissue-centered, and 1 was peri-articular. Conclusion: Computed tomography and magnetic resonance imaging yielded a tripartite classification of giant cell tumors of the temporomandibular joint according to their location on imaging. This study could help clinicians in the differential diagnosis of giant cell tumors and assist in proper treatment planning for tumorous diseases of the temporomandibular joint.
Files in This Item:
T202101018.pdf Download
DOI
10.5624/isd.20200300
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Radiology (영상치의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Chena(이채나) ORCID logo https://orcid.org/0000-0002-8943-4192
Jeon, Kug Jin(전국진) ORCID logo https://orcid.org/0000-0002-5862-2975
Choi, Yoon Joo(최윤주) ORCID logo https://orcid.org/0000-0001-9225-3889
Han, Sang Sun(한상선) ORCID logo https://orcid.org/0000-0003-1775-7862
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182330
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