Differentiation between Chondrosarcoma and Synovial Chondromatosis of the Temporomandibular Joint Using CT and MR Imaging
© 2023 by American Journal of Neuroradiology..
BACKGROUND AND PURPOSE: Chondrosarcoma and synovial chondromatosis of the temporomandibular joint share overlapping clinical and histopathologic features. We aimed to identify CT and MR imaging features to differentiate chondrosarcoma from synovial chondromatosis of the temporomandibular joint.
MATERIALS AND METHODS: The CT and MR images of 12 and 35 patients with histopathologically confirmed chondrosarcoma and synovial chondromatosis of the temporomandibular joint, respectively, were retrospectively reviewed. Imaging features including lesion size, center, enhancement, destruction/sclerosis of surrounding bone, infiltration into the tendon of the lateral pterygoid muscle, calcification, periosteal reaction, and osteophyte formation were assessed. A comparison between chondrosarcoma and synovial chondromatosis was performed with a Student t test for quantitative variables and the Fisher exact test or linear-by-linear association test for qualitative variables. Receiver operating characteristic analysis was performed to determine the diagnostic performance for differentiation of chondrosarcoma and synovial chondromatosis based on a composite score obtained by assigning 1 point for each of 9 imaging features.
RESULTS: High-risk imaging features for chondrosarcoma were the following: lesion centered on the mandibular condyle, destruction of the mandibular condyle, no destruction/sclerosis of the articular eminence/glenoid fossa, infiltration into the tendon of the lateral pterygoid muscle, absent or stippled calcification, periosteal reaction, internal enhancement, and size of ≥30.5 mm. The best cutoff value to discriminate chondrosarcoma from synovial chondromatosis was the presence of any 4 of these high-risk imaging features, with an area under the curve of 0.986 and an accuracy of 95.8%.
CONCLUSIONS: CT and MR imaging features can distinguish chondrosarcoma from synovial chondromatosis of the temporomandibular joint with improved diagnostic performance when a subcombination of 9 imaging features is used.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:44 |
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| Enthalten in: |
AJNR. American journal of neuroradiology - 44(2023), 10 vom: 31. Okt., Seite 1176-1183 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Jang, B G [VerfasserIn] |
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Date Revised 06.10.2023 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.3174/ajnr.A7980 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM361504047 |
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| 500 | |a published: Print-Electronic | ||
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| 520 | |a © 2023 by American Journal of Neuroradiology. | ||
| 520 | |a BACKGROUND AND PURPOSE: Chondrosarcoma and synovial chondromatosis of the temporomandibular joint share overlapping clinical and histopathologic features. We aimed to identify CT and MR imaging features to differentiate chondrosarcoma from synovial chondromatosis of the temporomandibular joint | ||
| 520 | |a MATERIALS AND METHODS: The CT and MR images of 12 and 35 patients with histopathologically confirmed chondrosarcoma and synovial chondromatosis of the temporomandibular joint, respectively, were retrospectively reviewed. Imaging features including lesion size, center, enhancement, destruction/sclerosis of surrounding bone, infiltration into the tendon of the lateral pterygoid muscle, calcification, periosteal reaction, and osteophyte formation were assessed. A comparison between chondrosarcoma and synovial chondromatosis was performed with a Student t test for quantitative variables and the Fisher exact test or linear-by-linear association test for qualitative variables. Receiver operating characteristic analysis was performed to determine the diagnostic performance for differentiation of chondrosarcoma and synovial chondromatosis based on a composite score obtained by assigning 1 point for each of 9 imaging features | ||
| 520 | |a RESULTS: High-risk imaging features for chondrosarcoma were the following: lesion centered on the mandibular condyle, destruction of the mandibular condyle, no destruction/sclerosis of the articular eminence/glenoid fossa, infiltration into the tendon of the lateral pterygoid muscle, absent or stippled calcification, periosteal reaction, internal enhancement, and size of ≥30.5 mm. The best cutoff value to discriminate chondrosarcoma from synovial chondromatosis was the presence of any 4 of these high-risk imaging features, with an area under the curve of 0.986 and an accuracy of 95.8% | ||
| 520 | |a CONCLUSIONS: CT and MR imaging features can distinguish chondrosarcoma from synovial chondromatosis of the temporomandibular joint with improved diagnostic performance when a subcombination of 9 imaging features is used | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Huh, K H |e verfasserin |4 aut | |
| 700 | 1 | |a Yeom, H G |e verfasserin |4 aut | |
| 700 | 1 | |a Kang, J H |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, J E |e verfasserin |4 aut | |
| 700 | 1 | |a Yoon, H J |e verfasserin |4 aut | |
| 700 | 1 | |a Yi, W J |e verfasserin |4 aut | |
| 700 | 1 | |a Heo, M S |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, S S |e verfasserin |4 aut | |
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