Korean Journal of Radiology

  • 제22권4호
  • /
  • Pages.604-611
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  • 2021
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  • 1229-6929(pISSN)
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  • 2005-8330(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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Early-Phase SPECT/CT for Diagnosing Osteomyelitis: A Retrospective Pilot Study

  • Soo Jin Lee (Department of Nuclear Medicine, Hanyang University Medical Center) ;
  • Kyoung Sook Won (Department of Nuclear Medicine, Keimyung University Dongsan Hospital) ;
  • Hyung Jin Choi (Department of Nuclear Medicine, Hanyang University Medical Center) ;
  • Yun Young Choi (Department of Nuclear Medicine, Hanyang University Medical Center)
  • 투고 : 2019.07.18
  • 심사 : 2020.07.29
  • 발행 : 2021.04.01
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초록

Objective: The aim of this pilot study was to investigate the potential of early-phase single-photon emission computed tomography (SPECT)/computed tomography (CT) using technetium-99m methyl diphosphonate (99mTc-MDP) for diagnosing osteomyelitis (OM). Materials and Methods: Twenty-one patients with suspected OM were enrolled retrospectively. Three-phase bone scan (TPBS), early-phase SPECT/CT (immediately after blood pool planar imaging), and delayed-phase SPECT/CT (immediately after delayed planar imaging) were performed. The final diagnoses were established through surgery or clinical follow-up for over 6 months. We compared three diagnostic criteria based on (I) TPBS alone, (II) combined TPBS and delayed-phase SPECT/CT, and (III) early-phase SPECT/CT alone. Results: OM was diagnosed in 11 of 21 patients (nine surgically and two clinically). Of the 11 OM patients, criterion-I, criterion-II, and criterion-III were positive in six, seven, and 10 patients, respectively. Of the 10 non-OM patients, criterion-I, criterion-II, and criterion-III were negative in five, five, and seven patients, respectively. The sensitivity/specificity/accuracy of criterion-I, criterion-II, and criterion-III for diagnosing OM were 54.5%/50.0%/55.0%, 63.6%/50.0%/57.1%, and 90.9%/70.0%/87.5%, respectively. Conclusion: This pilot study demonstrated the potential of using the early-phase SPECT/CT to diagnose OM. Based on the results, prospective studies with a larger sample size should be conducted to confirm the efficacy of early-phase SPECT/CT.

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참고문헌

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