OSCGM画像再構成法を用いた骨SPECTにおける収集法の違いが画質・定量精度に与える影響
本研究ではxSPECT Boneの収集法の違いが画質および定量精度に与える影響について検討した．Computed tomography（CT）値が250 HUとなる骨等価溶液と99mTcを混合させてSIM2 Boneファントムに封入した．正常骨と腫瘍部の放射能濃度比は1 : 6とし，xSPECT Boneのstep and shoot（SS）法とcontinuous法で撮像した．Continuous法については1 viewあたりの収集時間と総収集時間をSS法に統一させた収集を行った（continuousview法，continuoustotal法）．再構成画像を解析し，正常骨部の均一性，コント...
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| Published in | 日本放射線技術学会雑誌 Vol. 80; no. 11; pp. 1191 - 1197 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Japanese |
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公益社団法人 日本放射線技術学会
2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0369-4305 1881-4883 |
| DOI | 10.6009/jjrt.2024-1455 |
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| Abstract | 本研究ではxSPECT Boneの収集法の違いが画質および定量精度に与える影響について検討した．Computed tomography（CT）値が250 HUとなる骨等価溶液と99mTcを混合させてSIM2 Boneファントムに封入した．正常骨と腫瘍部の放射能濃度比は1 : 6とし，xSPECT Boneのstep and shoot（SS）法とcontinuous法で撮像した．Continuous法については1 viewあたりの収集時間と総収集時間をSS法に統一させた収集を行った（continuousview法，continuoustotal法）．再構成画像を解析し，正常骨部の均一性，コントラスト，分解能，腫瘍部のrecovery coefficient（RC）および検出率を求め画質と定量精度について比較した．また均一性とコントラストの結果より，検出能の総合評価であるdetectability score（DS）が算出された．均一性はSS法，continuousview法およびcontinuoustotal法でそれぞれ29.4%，17.4%および11.1%であった．SS法とcontinuous法において分解能とRCに大きな差は認められなかったが，均一性およびコントラストはいずれの条件においてもcontinuous法が優れた．さらに検出能はSS法と比較してcontinuous法が同等もしくはそれ以上の結果を示した． |
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| AbstractList | 本研究ではxSPECT Boneの収集法の違いが画質および定量精度に与える影響について検討した．Computed tomography（CT）値が250 HUとなる骨等価溶液と99mTcを混合させてSIM2 Boneファントムに封入した．正常骨と腫瘍部の放射能濃度比は1 : 6とし，xSPECT Boneのstep and shoot（SS）法とcontinuous法で撮像した．Continuous法については1 viewあたりの収集時間と総収集時間をSS法に統一させた収集を行った（continuousview法，continuoustotal法）．再構成画像を解析し，正常骨部の均一性，コントラスト，分解能，腫瘍部のrecovery coefficient（RC）および検出率を求め画質と定量精度について比較した．また均一性とコントラストの結果より，検出能の総合評価であるdetectability score（DS）が算出された．均一性はSS法，continuousview法およびcontinuoustotal法でそれぞれ29.4%，17.4%および11.1%であった．SS法とcontinuous法において分解能とRCに大きな差は認められなかったが，均一性およびコントラストはいずれの条件においてもcontinuous法が優れた．さらに検出能はSS法と比較してcontinuous法が同等もしくはそれ以上の結果を示した． |
| Author | 横内, 安慈 小西, 貴広 折坂, 優衣 米山, 寛人 澁谷, 孝行 藤原, 克俊 |
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| References | 5） Sedonja I, Budihna NV. The benefit of SPECT when added to planar scintigraphy in patients with bone metastases in the spine. Clin Nucl Med 1999; 24: 407–413. 1） Delpassand ES, Garcia JR, Bhadkamkar V, et al. Value of SPECT imaging of the thoracolumbar spine in cancer patients. Clin Nucl Med 1995; 20: 1047–1051. 3） Kuji I, Yamane T, Seto A, et al. Skeletal standardized uptake values obtained by quantitative SPECT/CT as an osteoblastic biomarker for the discrimination of active bone metastasis in prostate cancer. Eur J Hybrid Imaging 2017; 1: 2. 27） Dreuille O, Strijckmans V, Ameida P, et al. Bone equivalent liquid solution to assess accuracy of transmission measurements in SPECT and PET. IEEE Trans Nucl Sci 1997; 44: 1186–1190. 7） Even-Sapir E, Keidar Z, Bar-Shalom R. Hybrid imaging (SPECT/CT and PET/CT)–improving the diagnostic accuracy of functional/metabolic and anatomic imaging. Semin Nucl Med 2009; 39: 264–275. 21） Delcroix O, Robin P, Gouillou M, et al. A new SPECT/CT reconstruction algorithm: reliability and accuracy in clinical routine for non-oncologic bone diseases. EJNMMI Res 2018; 8: 14. 32） 前田幸人，長木昭男，古味省宏，他．ボディファントムを用いたSPECT位置分解能補正組込OSEM再構成法についての基礎的検討．日放技学誌 2015; 71(11): 1070–9. 2） Kosuda S, Kaji T, Yokoyama H, et al. Does bone SPECT actually have lower sensitivity for detecting vertebral metastasis than MRI? J Nucl Med 1996; 37: 975–978. 24） Ito T, Tsuchikame H, Ichikawa H, et al. Verification of phantom accuracy using a Monte Carlo simulation: bone scintigraphy chest phantom. Radiol Phys Technol 2021; 14: 336–344. 28） Okuda K, Fujii S, Sakimoto S. Impact of novel incorporation of CT-based segment mapping into a conjugated gradient algorithm on bone SPECT imaging: fundamental characteristics of a context-specific reconstruction method. Asia Ocean J Nucl Med Biol 2019; 7: 49–57. 26） 三輪建太，松友紀和，市川肇．骨SPECT撮像の標準化に関するガイドライン1.0. 核医技 2017; 37(4): 517–30. 33） 柳元真一，荒尾信一，原内一，他．頭部SPECTにおけるステップと連続回転データ収集法の検討：デジタルファントムによる検討．川崎医療短大紀 2017; 37: 7–13. 19） 甲谷理温，長木昭男，松友紀和，他．連続回転収集SPECTにおける収集ステップ角度と空間分解能の基礎的検討．日放技学誌 2011; 67(3): 221–8. 8） Chicklore S, Gnanasegaran G, Vijayanathan S, et al. Potential role of multislice SPECT/CT in impingement syndrome and soft-tissue pathology of the ankle and foot. Nucl Med Commun 2013; 34: 130–139. 17） Tabotta F, Jreige M, Schaefer N, et al. Quantitative bone SPECT/CT:high specificity for identification of prostate cancer bone metastases. BMC Musculoskelet Disord 2019; 20: 619. 15） Miyaji N, Miwa K, Tokiwa A, et al. Phantom and clinical evaluation of bone SPECT/CT image reconstruction with xSPECT algorithm. EJNMMI Res 2020; 10: 71. 12） Zhang XY, Sun ZK, Wei WJ, et al. A preliminary study of ankle single photon emission computed tomography/computed tomography in patients with bony impingement syndrome: association with the visual analogue scale pain score. J Foot Ankle Surg 2019; 58: 434–440. 14） Vija AH. Introduction to xSPECT technology: evolving multi-modal SPECT to become context-based and quantitative. Siemens Medical Solutions USA, White Paper. 2013. 16） Hoog C, Verrecchia-Ramos E, Dejust S, et al. Implementation of xSPECT, xSPECT bone and Broadquant from literature, clinical survey and innovative phantom study with task-based image quality assessment. Phys Med 2023; 112: 102611. 6） Han LJ, Au-Yong TK, Tong WC, et al. Comparison of bone single-photon emission tomography and planar imaging in the detection of vertebral metastases in patients with back pain. Eur J Nucl Med Mol Imaging 1998; 25: 635–638. 4） Ichikawa H, Miwa K, Okuda K, et al. Current state of bone scintigraphy protocols and practice in Japan. Asia Ocean J Nucl Med Biol 2020; 8: 116–122. 23） 市川肇，三輪建太，松友紀和，他．骨等価溶液を用いた骨SPECT評価用ボディファントムの開発．日放技学誌 2015; 71(12): 1235–40. 25） 林直弥，所谷亮太朗，見田秀次，他．骨SPECT頭頸部領域における画像再構成条件の最適化—phantom study—．日放技学誌 2021; 77(7): 700–9. 13） Tender GC, Davidson C, Shields J, et al. Primary pain generator identification by CT-SPECT in patients with degenerative spinal disease. Neurosurg Focus 2019; 47: E18. 31） Ichikawa H, Kawakami K, Onoguchi M, et al. Automatic quantification package (Hone Graph) for phantom-based image quality assessment in bone SPECT: computerized automatic classification of detectability. Ann Nucl Med 2021; 35: 937–946. 20） Vija AH, Bartenstein PA, Froelich JW, et al. ROC study and SUV threshold using quantitative multi-modal SPECT for bone imaging. Eur J Hybrid Imaging 2019; 3: 10. 9） Ikeda T, Kitajima K, Tsuchitani T, et al. Effectiveness of quantitative bone SPECT/CT for bone metastasis diagnosis. Hell J Nucl Med 2022; 25: 253–259. 18） 粟元恵実，粟元伸一，氷室和彦，他．コリメータ開口補正組込OSEM法におけるSPECT収集ステップ角度の影響—ステップ回転収集法と連続収集法の比較—．日放技学誌 2020; 76(5): 491–9. 22） Duncan I, Ingold N. The clinical value of xSPECT/CT Bone versus SPECT/CT. A prospective comparison of 200 scans. Eur J Hybrid Imaging 2018; 2: 4. 30） Okuda K, Hasegawa D, Kamiya T, et al. Multicenter study of quantitative SPECT: reproducibility of (99m)Tc quantitation using a conjugated-gradient minimization reconstruction algorithm. J Nucl Med Technol 2021; 49: 138–142. 11） Dadgar H, Norouzbeigi N, Jokar N, et al. Comparison of 18F-NaF imaging, 99mTc-MDP scintigraphy, and 18F-FDG for detecting bone metastases. World J Nucl Med 2022; 21: 1–8. 29） Ichikawa H, Miyaji N, Onoguchi M, et al. Feasibility of ultra-high-speed acquisition in xSPECT bone algorithm: a phantom study with advanced bone SPECT-specific phantom. Ann Nucl Med 2022; 36: 183–190. 10） Yamane T, Fukushima K, Shirotake S, et al. Test-retest repeatability of quantitative bone SPECT/CT. Ann Nucl Med 2021; 35: 338–346. |
| References_xml | – reference: 30） Okuda K, Hasegawa D, Kamiya T, et al. Multicenter study of quantitative SPECT: reproducibility of (99m)Tc quantitation using a conjugated-gradient minimization reconstruction algorithm. J Nucl Med Technol 2021; 49: 138–142. – reference: 31） Ichikawa H, Kawakami K, Onoguchi M, et al. Automatic quantification package (Hone Graph) for phantom-based image quality assessment in bone SPECT: computerized automatic classification of detectability. Ann Nucl Med 2021; 35: 937–946. – reference: 11） Dadgar H, Norouzbeigi N, Jokar N, et al. Comparison of 18F-NaF imaging, 99mTc-MDP scintigraphy, and 18F-FDG for detecting bone metastases. World J Nucl Med 2022; 21: 1–8. – reference: 27） Dreuille O, Strijckmans V, Ameida P, et al. Bone equivalent liquid solution to assess accuracy of transmission measurements in SPECT and PET. IEEE Trans Nucl Sci 1997; 44: 1186–1190. – reference: 7） Even-Sapir E, Keidar Z, Bar-Shalom R. Hybrid imaging (SPECT/CT and PET/CT)–improving the diagnostic accuracy of functional/metabolic and anatomic imaging. Semin Nucl Med 2009; 39: 264–275. – reference: 23） 市川肇，三輪建太，松友紀和，他．骨等価溶液を用いた骨SPECT評価用ボディファントムの開発．日放技学誌 2015; 71(12): 1235–40. – reference: 12） Zhang XY, Sun ZK, Wei WJ, et al. A preliminary study of ankle single photon emission computed tomography/computed tomography in patients with bony impingement syndrome: association with the visual analogue scale pain score. J Foot Ankle Surg 2019; 58: 434–440. – reference: 26） 三輪建太，松友紀和，市川肇．骨SPECT撮像の標準化に関するガイドライン1.0. 核医技 2017; 37(4): 517–30. – reference: 22） Duncan I, Ingold N. The clinical value of xSPECT/CT Bone versus SPECT/CT. A prospective comparison of 200 scans. Eur J Hybrid Imaging 2018; 2: 4. – reference: 33） 柳元真一，荒尾信一，原内一，他．頭部SPECTにおけるステップと連続回転データ収集法の検討：デジタルファントムによる検討．川崎医療短大紀 2017; 37: 7–13. – reference: 8） Chicklore S, Gnanasegaran G, Vijayanathan S, et al. Potential role of multislice SPECT/CT in impingement syndrome and soft-tissue pathology of the ankle and foot. Nucl Med Commun 2013; 34: 130–139. – reference: 21） Delcroix O, Robin P, Gouillou M, et al. A new SPECT/CT reconstruction algorithm: reliability and accuracy in clinical routine for non-oncologic bone diseases. EJNMMI Res 2018; 8: 14. – reference: 1） Delpassand ES, Garcia JR, Bhadkamkar V, et al. Value of SPECT imaging of the thoracolumbar spine in cancer patients. Clin Nucl Med 1995; 20: 1047–1051. – reference: 24） Ito T, Tsuchikame H, Ichikawa H, et al. Verification of phantom accuracy using a Monte Carlo simulation: bone scintigraphy chest phantom. Radiol Phys Technol 2021; 14: 336–344. – reference: 3） Kuji I, Yamane T, Seto A, et al. Skeletal standardized uptake values obtained by quantitative SPECT/CT as an osteoblastic biomarker for the discrimination of active bone metastasis in prostate cancer. Eur J Hybrid Imaging 2017; 1: 2. – reference: 14） Vija AH. Introduction to xSPECT technology: evolving multi-modal SPECT to become context-based and quantitative. Siemens Medical Solutions USA, White Paper. 2013. – reference: 10） Yamane T, Fukushima K, Shirotake S, et al. Test-retest repeatability of quantitative bone SPECT/CT. Ann Nucl Med 2021; 35: 338–346. – reference: 29） Ichikawa H, Miyaji N, Onoguchi M, et al. Feasibility of ultra-high-speed acquisition in xSPECT bone algorithm: a phantom study with advanced bone SPECT-specific phantom. Ann Nucl Med 2022; 36: 183–190. – reference: 25） 林直弥，所谷亮太朗，見田秀次，他．骨SPECT頭頸部領域における画像再構成条件の最適化—phantom study—．日放技学誌 2021; 77(7): 700–9. – reference: 6） Han LJ, Au-Yong TK, Tong WC, et al. Comparison of bone single-photon emission tomography and planar imaging in the detection of vertebral metastases in patients with back pain. Eur J Nucl Med Mol Imaging 1998; 25: 635–638. – reference: 13） Tender GC, Davidson C, Shields J, et al. Primary pain generator identification by CT-SPECT in patients with degenerative spinal disease. Neurosurg Focus 2019; 47: E18. – reference: 17） Tabotta F, Jreige M, Schaefer N, et al. Quantitative bone SPECT/CT:high specificity for identification of prostate cancer bone metastases. BMC Musculoskelet Disord 2019; 20: 619. – reference: 28） Okuda K, Fujii S, Sakimoto S. Impact of novel incorporation of CT-based segment mapping into a conjugated gradient algorithm on bone SPECT imaging: fundamental characteristics of a context-specific reconstruction method. Asia Ocean J Nucl Med Biol 2019; 7: 49–57. – reference: 9） Ikeda T, Kitajima K, Tsuchitani T, et al. Effectiveness of quantitative bone SPECT/CT for bone metastasis diagnosis. Hell J Nucl Med 2022; 25: 253–259. – reference: 18） 粟元恵実，粟元伸一，氷室和彦，他．コリメータ開口補正組込OSEM法におけるSPECT収集ステップ角度の影響—ステップ回転収集法と連続収集法の比較—．日放技学誌 2020; 76(5): 491–9. – reference: 32） 前田幸人，長木昭男，古味省宏，他．ボディファントムを用いたSPECT位置分解能補正組込OSEM再構成法についての基礎的検討．日放技学誌 2015; 71(11): 1070–9. – reference: 2） Kosuda S, Kaji T, Yokoyama H, et al. Does bone SPECT actually have lower sensitivity for detecting vertebral metastasis than MRI? J Nucl Med 1996; 37: 975–978. – reference: 19） 甲谷理温，長木昭男，松友紀和，他．連続回転収集SPECTにおける収集ステップ角度と空間分解能の基礎的検討．日放技学誌 2011; 67(3): 221–8. – reference: 4） Ichikawa H, Miwa K, Okuda K, et al. Current state of bone scintigraphy protocols and practice in Japan. Asia Ocean J Nucl Med Biol 2020; 8: 116–122. – reference: 16） Hoog C, Verrecchia-Ramos E, Dejust S, et al. Implementation of xSPECT, xSPECT bone and Broadquant from literature, clinical survey and innovative phantom study with task-based image quality assessment. Phys Med 2023; 112: 102611. – reference: 15） Miyaji N, Miwa K, Tokiwa A, et al. Phantom and clinical evaluation of bone SPECT/CT image reconstruction with xSPECT algorithm. EJNMMI Res 2020; 10: 71. – reference: 5） Sedonja I, Budihna NV. The benefit of SPECT when added to planar scintigraphy in patients with bone metastases in the spine. Clin Nucl Med 1999; 24: 407–413. – reference: 20） Vija AH, Bartenstein PA, Froelich JW, et al. ROC study and SUV threshold using quantitative multi-modal SPECT for bone imaging. Eur J Hybrid Imaging 2019; 3: 10. |
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| Title | OSCGM画像再構成法を用いた骨SPECTにおける収集法の違いが画質・定量精度に与える影響 |
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| ispartofPNX | 日本放射線技術学会雑誌, 2024, Vol.80(11), pp.1191-1197 |
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