Orazio S Santonocito, Gianluca Grimod, Anna L DI Stefano, Francesco Pieri, Mariagrazia Nizzola, Nicola Mazzuca, Francesco Pasqualetti, Riccardo Morganti, Vanna Zucchi, Carlo Gambacciani
{"title":"O-(2-18F-氟乙基)-L-酪氨酸（18F-FET）PET作为胶质母细胞瘤患者二次手术的潜在选择工具。","authors":"Orazio S Santonocito, Gianluca Grimod, Anna L DI Stefano, Francesco Pieri, Mariagrazia Nizzola, Nicola Mazzuca, Francesco Pasqualetti, Riccardo Morganti, Vanna Zucchi, Carlo Gambacciani","doi":"10.23736/S0390-5616.23.06019-8","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Treatment-related changes still represent a diagnostic challenge in the management of patients with suspect of recurrent glioblastoma. The specificity of conventional MRI in detecting recurrence remains limited. Brain PET imaging provides information on tumor metabolism and can contribute to improving the diagnostic accuracy of cerebral neoplasms. We performed a retrospective analysis to evaluate the clinical value of O-(2-<sup>18</sup>F-fluoroethyl)-L-tyrosine (<sup>18</sup>F-FET) PET in the diagnosis of glioblastoma recurrence.</p><p><strong>Methods: </strong>A retrospective analysis on patients considered suitable for salvage surgery for recurrence glioblastoma was performed. <sup>18</sup>F-FET-PET was performed to investigate gadolinium enhancement suspected for recurrence. Static and kinetic <sup>18</sup>F-FET parameters were analyzed and related to O-6-methylguanine-DNA methyltransferase (MGMT) status.</p><p><strong>Results: </strong>Forty-two of the 51 patients who underwent <sup>18</sup>F-FET-PET were re-operated. In each case, neuropathological diagnosis of tumor recurrence was confirmed. pMGMT hypermethylation was detected in 21 patients. Mean tumor-to-brain ratios (TBR) max was 3.87 (range 2.6-6.0). Static and kinetic <sup>18</sup>F-FET parameters were similar according to MGMT status.</p><p><strong>Conclusions: </strong><sup>18</sup>FET-PET can be a reliable tool to improve the selection of patients suitable for salvage surgery for glioblastoma recurrence.</p>","PeriodicalId":16504,"journal":{"name":"Journal of neurosurgical sciences","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"O-(2-18F-fluoroethyl)-L-tyrosine (18F-FET) PET as a potential selection tool for second surgery in glioblastoma patients.\",\"authors\":\"Orazio S Santonocito, Gianluca Grimod, Anna L DI Stefano, Francesco Pieri, Mariagrazia Nizzola, Nicola Mazzuca, Francesco Pasqualetti, Riccardo Morganti, Vanna Zucchi, Carlo Gambacciani\",\"doi\":\"10.23736/S0390-5616.23.06019-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Treatment-related changes still represent a diagnostic challenge in the management of patients with suspect of recurrent glioblastoma. The specificity of conventional MRI in detecting recurrence remains limited. Brain PET imaging provides information on tumor metabolism and can contribute to improving the diagnostic accuracy of cerebral neoplasms. We performed a retrospective analysis to evaluate the clinical value of O-(2-<sup>18</sup>F-fluoroethyl)-L-tyrosine (<sup>18</sup>F-FET) PET in the diagnosis of glioblastoma recurrence.</p><p><strong>Methods: </strong>A retrospective analysis on patients considered suitable for salvage surgery for recurrence glioblastoma was performed. <sup>18</sup>F-FET-PET was performed to investigate gadolinium enhancement suspected for recurrence. Static and kinetic <sup>18</sup>F-FET parameters were analyzed and related to O-6-methylguanine-DNA methyltransferase (MGMT) status.</p><p><strong>Results: </strong>Forty-two of the 51 patients who underwent <sup>18</sup>F-FET-PET were re-operated. In each case, neuropathological diagnosis of tumor recurrence was confirmed. pMGMT hypermethylation was detected in 21 patients. Mean tumor-to-brain ratios (TBR) max was 3.87 (range 2.6-6.0). Static and kinetic <sup>18</sup>F-FET parameters were similar according to MGMT status.</p><p><strong>Conclusions: </strong><sup>18</sup>FET-PET can be a reliable tool to improve the selection of patients suitable for salvage surgery for glioblastoma recurrence.</p>\",\"PeriodicalId\":16504,\"journal\":{\"name\":\"Journal of neurosurgical sciences\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2023-12-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of neurosurgical sciences\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.23736/S0390-5616.23.06019-8\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"CLINICAL NEUROLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of neurosurgical sciences","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.23736/S0390-5616.23.06019-8","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
O-(2-18F-fluoroethyl)-L-tyrosine (18F-FET) PET as a potential selection tool for second surgery in glioblastoma patients.
Background: Treatment-related changes still represent a diagnostic challenge in the management of patients with suspect of recurrent glioblastoma. The specificity of conventional MRI in detecting recurrence remains limited. Brain PET imaging provides information on tumor metabolism and can contribute to improving the diagnostic accuracy of cerebral neoplasms. We performed a retrospective analysis to evaluate the clinical value of O-(2-18F-fluoroethyl)-L-tyrosine (18F-FET) PET in the diagnosis of glioblastoma recurrence.
Methods: A retrospective analysis on patients considered suitable for salvage surgery for recurrence glioblastoma was performed. 18F-FET-PET was performed to investigate gadolinium enhancement suspected for recurrence. Static and kinetic 18F-FET parameters were analyzed and related to O-6-methylguanine-DNA methyltransferase (MGMT) status.
Results: Forty-two of the 51 patients who underwent 18F-FET-PET were re-operated. In each case, neuropathological diagnosis of tumor recurrence was confirmed. pMGMT hypermethylation was detected in 21 patients. Mean tumor-to-brain ratios (TBR) max was 3.87 (range 2.6-6.0). Static and kinetic 18F-FET parameters were similar according to MGMT status.
Conclusions: 18FET-PET can be a reliable tool to improve the selection of patients suitable for salvage surgery for glioblastoma recurrence.
期刊介绍：
The Journal of Neurosurgical Sciences publishes scientific papers on neurosurgery and related subjects (electroencephalography, neurophysiology, neurochemistry, neuropathology, stereotaxy, neuroanatomy, neuroradiology, etc.). Manuscripts may be submitted in the form of ditorials, original articles, review articles, special articles, letters to the Editor and guidelines. The journal aims to provide its readers with papers of the highest quality and impact through a process of careful peer review and editorial work.
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