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Yano H, Miwa K, Nakayama N, Maruyama T, Ohe N, Ikuta S, Ikegame Y, Yamada T, Takei H, Owashi E, Ohmura K, Yokoyama K, Kumagai M, Muragaki Y, Iwama T, Shinoda J. Differentiation of astrocytoma between grades II and III using a combination of methionine positron emission tomography and magnetic resonance spectroscopy. World Neurosurg X 2023; 19:100193. [PMID: 37123626 PMCID: PMC10141501 DOI: 10.1016/j.wnsx.2023.100193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 04/04/2023] [Indexed: 05/02/2023] Open
Abstract
Objective This study aimed to establish a method for differentiating between grades II and III astrocytomas using preoperative imaging. Methods We retrospectively analyzed astrocytic tumors, including 18 grade II astrocytomas (isocitrate dehydrogenase (IDH)-mutant: IDH-wildtype = 8:10) and 56 grade III anaplastic astrocytomas (37:19). We recorded the maximum methionine (MET) uptake ratios (tumor-to-normal: T/N) on positron emission tomography (PET) and three MRS peak ratios: choline (Cho)/creatine (Cr), N-acetyl aspartate (NAA)/Cr, and Cho/NAA, between June 2015 and June 2020. We then evaluated the cut-off values to differentiate between grades II and III. We compared the grading results between contrast enhancement effects on MR and combinational diagnostic methods (CDM) on a scatter chart using the cutoff values of the T/N ratio and MRS parameters. Results The IDH-mutant group showed significant differences in the Cho/NAA ratio between grades II and III using univariate analysis; however, multiple regression analysis results negated this. The IDH-wildtype group showed no significant differences between the groups. Contrast enhancement effects also showed no significant differences in IDH status. Accordingly, regardless of the IDH status, no statistically independent factors differentiated between grades II and III. However, CDMs showed higher sensitivity and negative predictive value in distinguishing them than MRI contrast examinations for both IDH statuses. We demonstrated a significantly higher diagnostic rate of grade III than of grade II with CDM, which was more striking in the IDH-mutant group than in the wild-type group. Conclusions CDM could be valuable in differentiating between grade II and III astrocytic tumors.
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Affiliation(s)
- Hirohito Yano
- Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan
- Department of Clinical Brain Science, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
- Corresponding author. Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan.
| | - Kazuhiro Miwa
- Department of Neurosurgery, Central Japan International Medical Center, 1-1 Kenkou-no-machi, Minokamo City, 505-8510, Japan
| | - Noriyuki Nakayama
- Department of Neurosurgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
| | - Takashi Maruyama
- Department of Neurosurgery, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Naoyuki Ohe
- Department of Neurosurgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
| | - Soko Ikuta
- Department of Neurosurgery, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Yuka Ikegame
- Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan
- Department of Clinical Brain Science, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
| | - Tetsuya Yamada
- Department of Neurosurgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
| | - Hiroaki Takei
- Department of Neurosurgery, Central Japan International Medical Center, 1-1 Kenkou-no-machi, Minokamo City, 505-8510, Japan
| | - Etsuko Owashi
- Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan
| | - Kazufumi Ohmura
- Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan
| | - Kazutoshi Yokoyama
- Department of Neurosurgery, Central Japan International Medical Center, 1-1 Kenkou-no-machi, Minokamo City, 505-8510, Japan
| | - Morio Kumagai
- Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan
| | - Yoshihiro Muragaki
- Department of Neurosurgery, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Toru Iwama
- Department of Neurosurgery, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
| | - Jun Shinoda
- Department of Neurosurgery and Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Chubu Neurorehabilitation Hospital, 630 Shimo-kobi, Kobi-cho, Minokamo, 505-0034, Japan
- Department of Clinical Brain Science, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, 501-1194, Japan
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Maximum 11C-methionine PET uptake as a prognostic imaging biomarker for newly diagnosed and untreated astrocytic glioma. Sci Rep 2022; 12:546. [PMID: 35017570 PMCID: PMC8752605 DOI: 10.1038/s41598-021-04216-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 12/15/2021] [Indexed: 12/26/2022] Open
Abstract
This study aimed whether the uptake of amino tracer positron emission tomography (PET) can be used as an additional imaging biomarker to estimate the prognosis of glioma. Participants comprised 56 adult patients with newly diagnosed and untreated World Health Organization (WHO) grade II–IV astrocytic glioma who underwent surgical excision and were evaluated by 11C-methionine PET prior to the surgical excision at Osaka City University Hospital from July 2011 to March 2018. Clinical and imaging studies were retrospectively reviewed based on medical records at our institution. Preoperative Karnofsky Performance Status (KPS) only influenced progression-free survival (hazard ratio [HR] 0.20; 95% confidence interval [CI] 0.10–0.41, p < 0.0001), whereas histology (anaplastic astrocytoma: HR 5.30, 95% CI 1.23–22.8, p = 0.025; glioblastoma: HR 11.52, 95% CI 2.27–58.47, p = 0.0032), preoperative KPS ≥ 80 (HR 0.23, 95% CI 0.09–0.62, p = 0.004), maximum lesion-to-contralateral normal brain tissue (LN max) ≥ 4.03 (HR 0.24, 95% CI 0.08–0.71, p = 0.01), and isocitrate dehydrogenase (IDH) status (HR 14.06, 95% CI 1.81–109.2, p = 0.011) were factors influencing overall survival (OS) in multivariate Cox regression. OS was shorter in patients with LN max ≥ 4.03 (29.3 months) than in patients with LN max < 4.03 (not reached; p = 0.03). OS differed significantly between patients with IDH mutant/LN max < 4.03 and patients with IDH mutant/LN max ≥ 4.03. LN max using 11C-methionine PET may be used in prognostic markers for newly identified and untreated WHO grade II–IV astrocytic glioma.
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Nakajo K, Uda T, Kawashima T, Terakawa Y, Ishibashi K, Tsuyuguchi N, Tanoue Y, Nagahama A, Uda H, Koh S, Sasaki T, Ohata K, Kanemura Y, Goto T. Diagnostic Performance of [ 11C]Methionine Positron Emission Tomography in Newly Diagnosed and Untreated Glioma Based on the Revised World Health Organization 2016 Classification. World Neurosurg 2021; 148:e471-e481. [PMID: 33444827 DOI: 10.1016/j.wneu.2021.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/02/2021] [Accepted: 01/04/2021] [Indexed: 12/20/2022]
Abstract
BACKGROUND The relationship between uptake of amino acid tracer with positron emission tomography (PET) and glioma subtypes/gene status is still unclear. OBJECTIVE To assess the relationship between uptake of [11C]methionine using PET and pathology, IDH (isocitrate dehydrogenase) mutation, 1p/19q codeletion, and TERT (telomerase reverse transcriptase) promoter status in gliomas. METHODS The participants were 68 patients with newly diagnosed and untreated glioma who underwent surgical excision and preoperative [11C]methionine PET examination at Osaka City University Hospital between July 2011 and March 2018. Clinical and imaging studies were reviewed retrospectively based on the medical records at our institution. RESULTS The mean lesion/contralateral normal brain tissue (L/N) ratio of diffuse astrocytomas was significantly lower than that of anaplastic astrocytomas (P = 0.00155), glioblastoma (P < 0.001), and oligodendrogliomas (P = 0.0157). The mean L/N ratio of IDH mutant gliomas was significantly lower than that of IDH wild-type gliomas (median 1.75 vs. 2.61; P = 0.00162). A mean L/N ratio of 2.05 provided the best sensitivity and specificity for distinguishing between IDH mutant and IDH wild-type gliomas (69.2% and 76.2%, respectively). The mean L/N ratio of TERT promoter mutant gliomas was significantly higher than that of TERT promoter wild-type gliomas (P = 0.0147). Multiple regression analysis showed that pathologic diagnosis was the only influential factor on L/N ratio. CONCLUSIONS Distinguishing glioma subtypes based on the revised 2016 World Health Organization classification of the central nervous system tumors on the basis of [11C]methionine PET alone seems to be difficult. However, [11C]methionine PET might be useful for predicting the IDH mutation status in newly diagnosed and untreated gliomas noninvasively before tumor resection.
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Affiliation(s)
- Kosuke Nakajo
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan.
| | - Takehiro Uda
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Toshiyuki Kawashima
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Yuzo Terakawa
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan; Department of Neurosurgery, Hokkaido Ono Memorial Hospital, Hokkaido, Japan
| | - Kenichi Ishibashi
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan; Department of Neurosurgery, Osaka City General Hospital, Osaka, Japan
| | - Naohiro Tsuyuguchi
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan; Department of Neurosurgery, Kinki University Graduate School of Medicine, Osaka, Japan
| | - Yuta Tanoue
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Atsufumi Nagahama
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Hiroshi Uda
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Saya Koh
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Tsuyoshi Sasaki
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Kenji Ohata
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Yonehiro Kanemura
- Department of Biomedical Research and Innovation, Institute for Clinical Research, Osaka, Japan; Department of Neurosurgery, National Hospital Organization Osaka National Hospital, Osaka, Japan
| | - Takeo Goto
- Department of Neurosurgery, Osaka City University Graduate School of Medicine, Osaka, Japan
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