Diagnostic value of 18F-fluorodeoxyglucose positron emission tomography and computed tomography for differentiating polymyalgia rheumatica and rheumatoid arthritis : Using classification and regression tree analysis
© Japan College of Rheumatology 2023. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com..
OBJECTIVES: Determining which sites were important to differentiate polymyalgia rheumatica (PMR) from rheumatoid arthritis (RA) using 18F-fluorodeoxyglucose (FDG) positron emission tomography and computed tomography (PET-CT) is challenging.
METHODS: Patients with PMR or RA who were undergoing PET-CT were recruited at two mutual-aid hospitals in Japan between 2009 and 2018. Classification and regression tree (CART) analyses were performed to identify FDG uptake patterns that differentiated PMR from RA.
RESULTS: We enrolled 35 patients with PMR and 46 patients with RA. Univariate CART analysis showed that FDG uptake in the shoulder joints, spinous processes of the lumbar vertebrae, pubic symphysis, sternoclavicular joints, ischial tuberosities, greater trochanters, and hip joints differentiated PMR from RA. Multivariate CART analysis revealed that FDG uptake by at least one of the ischial tuberosities had the highest diagnostic value for distinguishing PMR from RA (sensitivity, 77.1%; specificity, 82.6%). We performed the same CART analysis to patients who had not undergone treatment (PMR, n = 28; RA, n = 9). Similar results were obtained, and sensitivity and specificity were increased (sensitivity, 89.3%; specificity, 88.8%).
CONCLUSIONS: In PET-CT, FDG uptake by at least one of the ischial tuberosities best discriminates between PMR and RA.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:34 |
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| Enthalten in: |
Modern rheumatology - 34(2024), 3 vom: 28. März, Seite 474-478 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ikuma, Daisuke [VerfasserIn] |
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| Links: |
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| Themen: |
0Z5B2CJX4D |
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| Anmerkungen: |
Date Completed 29.03.2024 Date Revised 11.04.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/mr/road051 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM357818326 |
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| 520 | |a © Japan College of Rheumatology 2023. Published by Oxford University Press. All rights reserved. For permissions, please e-mail: journals.permissionsoup.com. | ||
| 520 | |a OBJECTIVES: Determining which sites were important to differentiate polymyalgia rheumatica (PMR) from rheumatoid arthritis (RA) using 18F-fluorodeoxyglucose (FDG) positron emission tomography and computed tomography (PET-CT) is challenging | ||
| 520 | |a METHODS: Patients with PMR or RA who were undergoing PET-CT were recruited at two mutual-aid hospitals in Japan between 2009 and 2018. Classification and regression tree (CART) analyses were performed to identify FDG uptake patterns that differentiated PMR from RA | ||
| 520 | |a RESULTS: We enrolled 35 patients with PMR and 46 patients with RA. Univariate CART analysis showed that FDG uptake in the shoulder joints, spinous processes of the lumbar vertebrae, pubic symphysis, sternoclavicular joints, ischial tuberosities, greater trochanters, and hip joints differentiated PMR from RA. Multivariate CART analysis revealed that FDG uptake by at least one of the ischial tuberosities had the highest diagnostic value for distinguishing PMR from RA (sensitivity, 77.1%; specificity, 82.6%). We performed the same CART analysis to patients who had not undergone treatment (PMR, n = 28; RA, n = 9). Similar results were obtained, and sensitivity and specificity were increased (sensitivity, 89.3%; specificity, 88.8%) | ||
| 520 | |a CONCLUSIONS: In PET-CT, FDG uptake by at least one of the ischial tuberosities best discriminates between PMR and RA | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a 18F-fluorodeoxyglucose positron emission tomography | |
| 650 | 4 | |a Classification and regression tree analyses | |
| 650 | 4 | |a polymyalgia rheumatica | |
| 650 | 4 | |a rheumatoid arthritis | |
| 650 | 7 | |a Fluorodeoxyglucose F18 |2 NLM | |
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| 700 | 1 | |a Yamanouchi, Masayuki |e verfasserin |4 aut | |
| 700 | 1 | |a Oba, Yuki |e verfasserin |4 aut | |
| 700 | 1 | |a Mizuno, Hiroki |e verfasserin |4 aut | |
| 700 | 1 | |a Suwabe, Tatsuya |e verfasserin |4 aut | |
| 700 | 1 | |a Hoshino, Junichi |e verfasserin |4 aut | |
| 700 | 1 | |a Ubara, Yoshifumi |e verfasserin |4 aut | |
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