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Erschienen in: European Radiology 9/2019

26.02.2019 | Neuro

Relaxation-compensated amide proton transfer (APT) MRI signal intensity is associated with survival and progression in high-grade glioma patients

verfasst von: Daniel Paech, Constantin Dreher, Sebastian Regnery, Jan-Eric Meissner, Steffen Goerke, Johannes Windschuh, Johanna Oberhollenzer, Miriam Schultheiss, Katerina Deike-Hofmann, Sebastian Bickelhaupt, Alexander Radbruch, Moritz Zaiss, Andreas Unterberg, Wolfgang Wick, Martin Bendszus, Peter Bachert, Mark E. Ladd, Heinz-Peter Schlemmer

Erschienen in: European Radiology | Ausgabe 9/2019

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Abstract

Objectives

The purpose of this study was to investigate the association of relaxation-compensated chemical exchange saturation transfer (CEST) MRI with overall survival (OS) and progression-free survival (PFS) in newly diagnosed high-grade glioma (HGG) patients.

Methods

Twenty-six patients with newly diagnosed high-grade glioma (WHO grades III–IV) were included in this prospective IRB-approved study. CEST MRI was performed on a 7.0-T whole-body scanner. Association of patient OS/PFS with relaxation-compensated CEST MRI (amide proton transfer (APT), relayed nuclear Overhauser effect (rNOE)/NOE, downfield-rNOE-suppressed APT (dns-APT)) and diffusion-weighted imaging (apparent diffusion coefficient) were assessed using the univariate Cox proportional hazards regression model. Hazard ratios (HRs) and corresponding 95% confidence intervals were calculated. Furthermore, OS/PFS association with clinical parameters (age, gender, O6-methylguanine-DNA methyltransferase (MGMT) promotor methylation status, and therapy: biopsy + radio-chemotherapy vs. debulking surgery + radio-chemotherapy) were tested accordingly.

Results

Relaxation-compensated APT MRI was significantly correlated with patient OS (HR = 3.15, p = 0.02) and PFS (HR = 1.83, p = 0.009). The strongest association with PFS was found for the dns-APT metric (HR = 2.61, p = 0.002). These results still stand for the relaxation-compensated APT contrasts in a homogenous subcohort of n = 22 glioblastoma patients with isocitrate dehydrogenase (IDH) wild-type status. Among the tested clinical parameters, patient age (HR = 1.1, p = 0.001) and therapy (HR = 3.68, p = 0.026) were significant for OS; age additionally for PFS (HR = 1.04, p = 0.048).

Conclusion

Relaxation-compensated APT MRI signal intensity is associated with overall survival and progression-free survival in newly diagnosed, previously untreated glioma patients and may, therefore, help to customize treatment and response monitoring in the future.

Key Points

• Amide proton transfer (APT) MRI signal intensity is associated with overall survival and progression in glioma patients.
• Relaxation compensation enhances the information value of APT MRI in tumors.
• Chemical exchange saturation transfer (CEST) MRI may serve as a non-invasive biomarker to predict prognosis and customize treatment.
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Literatur
1.
Zurück zum Zitat Kim KB (2014) PFS as a surrogate for overall survival in metastatic melanoma. Lancet Oncol 15:246–248CrossRefPubMed Kim KB (2014) PFS as a surrogate for overall survival in metastatic melanoma. Lancet Oncol 15:246–248CrossRefPubMed
2.
Zurück zum Zitat Porter KR, McCarthy BJ, Freels S, Kim Y, Davis FG (2010) Prevalence estimates for primary brain tumors in the United States by age, gender, behavior, and histology. Neuro Oncol 12:520–527 Porter KR, McCarthy BJ, Freels S, Kim Y, Davis FG (2010) Prevalence estimates for primary brain tumors in the United States by age, gender, behavior, and histology. Neuro Oncol 12:520–527
3.
Zurück zum Zitat Stupp R, Roila F (2009) Malignant glioma: ESMO clinical recommendations for diagnosis, treatment and follow-up. Ann Oncol 20(Suppl 4):126–128PubMed Stupp R, Roila F (2009) Malignant glioma: ESMO clinical recommendations for diagnosis, treatment and follow-up. Ann Oncol 20(Suppl 4):126–128PubMed
5.
Zurück zum Zitat Hegi ME, Diserens AC, Gorlia T et al (2005) MGMT gene silencing and benefit from temozolomide in glioblastoma. N Engl J Med 352:997–1003CrossRefPubMed Hegi ME, Diserens AC, Gorlia T et al (2005) MGMT gene silencing and benefit from temozolomide in glioblastoma. N Engl J Med 352:997–1003CrossRefPubMed
7.
Zurück zum Zitat Cerqua R, Balestrini S, Perozzi C et al (2016) Diagnostic delay and prognosis in primary central nervous system lymphoma compared with glioblastoma multiforme. Neurol Sci 37:23–29CrossRefPubMed Cerqua R, Balestrini S, Perozzi C et al (2016) Diagnostic delay and prognosis in primary central nervous system lymphoma compared with glioblastoma multiforme. Neurol Sci 37:23–29CrossRefPubMed
8.
Zurück zum Zitat Henson JW, Gaviani P, Gonzalez RG (2005) MRI in treatment of adult gliomas. Lancet Oncol 6:167–175CrossRefPubMed Henson JW, Gaviani P, Gonzalez RG (2005) MRI in treatment of adult gliomas. Lancet Oncol 6:167–175CrossRefPubMed
9.
Zurück zum Zitat Ellingson BM, Chung C, Pope WB, Boxerman JL, Kaufmann TJ (2017) Pseudoprogression, radionecrosis, inflammation or true tumor progression? Challenges associated with glioblastoma response assessment in an evolving therapeutic landscape. J Neurooncol 134(3):495–504 Ellingson BM, Chung C, Pope WB, Boxerman JL, Kaufmann TJ (2017) Pseudoprogression, radionecrosis, inflammation or true tumor progression? Challenges associated with glioblastoma response assessment in an evolving therapeutic landscape. J Neurooncol 134(3):495–504
10.
Zurück zum Zitat Pope WB, Qiao XJ, Kim HJ et al (2012) Apparent diffusion coefficient histogram analysis stratifies progression-free and overall survival in patients with recurrent GBM treated with bevacizumab: a multi-center study. J Neurooncol 108:491–498CrossRefPubMedPubMedCentral Pope WB, Qiao XJ, Kim HJ et al (2012) Apparent diffusion coefficient histogram analysis stratifies progression-free and overall survival in patients with recurrent GBM treated with bevacizumab: a multi-center study. J Neurooncol 108:491–498CrossRefPubMedPubMedCentral
11.
Zurück zum Zitat Oh J, Henry RG, Pirzkall A et al (2004) Survival analysis in patients with glioblastoma multiforme: predictive value of choline-to-n-acetylaspartate index, apparent diffusion coefficient, and relative cerebral blood volume. J Magn Reson Imaging 19:546–554CrossRefPubMed Oh J, Henry RG, Pirzkall A et al (2004) Survival analysis in patients with glioblastoma multiforme: predictive value of choline-to-n-acetylaspartate index, apparent diffusion coefficient, and relative cerebral blood volume. J Magn Reson Imaging 19:546–554CrossRefPubMed
12.
Zurück zum Zitat Ellingson BM, Cloughesy TF, Lai A et al (2011) Graded functional diffusion map–defined characteristics of apparent diffusion coefficients predict overall survival in recurrent glioblastoma treated with bevacizumab. Neuro Oncol 13:1151–1161 Ellingson BM, Cloughesy TF, Lai A et al (2011) Graded functional diffusion map–defined characteristics of apparent diffusion coefficients predict overall survival in recurrent glioblastoma treated with bevacizumab. Neuro Oncol 13:1151–1161
13.
Zurück zum Zitat Higano S, Yun X, Kumabe T et al (2006) Malignant astrocytic tumors: clinical importance of apparent diffusion coefficient in prediction of grade and prognosis. Radiology 241:839–846CrossRefPubMed Higano S, Yun X, Kumabe T et al (2006) Malignant astrocytic tumors: clinical importance of apparent diffusion coefficient in prediction of grade and prognosis. Radiology 241:839–846CrossRefPubMed
14.
Zurück zum Zitat Law M, Young RJ, Babb JS et al (2008) Gliomas: predicting time to progression or survival with cerebral blood volume measurements at dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging. Radiology 247:490–498CrossRefPubMed Law M, Young RJ, Babb JS et al (2008) Gliomas: predicting time to progression or survival with cerebral blood volume measurements at dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging. Radiology 247:490–498CrossRefPubMed
15.
Zurück zum Zitat Hamstra DA, Chenevert TL, Moffat BA et al (2005) Evaluation of the functional diffusion map as an early biomarker of time-to-progression and overall survival in high-grade glioma. Proc Natl Acad Sci U S A 102:16759–16764CrossRefPubMedPubMedCentral Hamstra DA, Chenevert TL, Moffat BA et al (2005) Evaluation of the functional diffusion map as an early biomarker of time-to-progression and overall survival in high-grade glioma. Proc Natl Acad Sci U S A 102:16759–16764CrossRefPubMedPubMedCentral
16.
Zurück zum Zitat Bonekamp D, Deike K, Wiestler B et al (2015) Association of overall survival in patients with newly diagnosed glioblastoma with contrast-enhanced perfusion MRI: comparison of intraindividually matched T1 - and T2 (*) -based bolus techniques. J Magn Reson Imaging 42:87–96CrossRefPubMed Bonekamp D, Deike K, Wiestler B et al (2015) Association of overall survival in patients with newly diagnosed glioblastoma with contrast-enhanced perfusion MRI: comparison of intraindividually matched T1 - and T2 (*) -based bolus techniques. J Magn Reson Imaging 42:87–96CrossRefPubMed
17.
Zurück zum Zitat Burth S, Kickingereder P, Eidel O et al (2016) Clinical parameters outweigh diffusion- and perfusion-derived MRI parameters in predicting survival in newly diagnosed glioblastoma. Neuro Oncol 18:1673–1679 Burth S, Kickingereder P, Eidel O et al (2016) Clinical parameters outweigh diffusion- and perfusion-derived MRI parameters in predicting survival in newly diagnosed glioblastoma. Neuro Oncol 18:1673–1679
18.
Zurück zum Zitat Wiestler B, Kluge A, Lukas M et al (2016) Multiparametric MRI-based differentiation of WHO grade II/III glioma and WHO grade IV glioblastoma. Sci Rep 6:35142CrossRefPubMedPubMedCentral Wiestler B, Kluge A, Lukas M et al (2016) Multiparametric MRI-based differentiation of WHO grade II/III glioma and WHO grade IV glioblastoma. Sci Rep 6:35142CrossRefPubMedPubMedCentral
19.
Zurück zum Zitat Kickingereder P, Götz M, Muschelli J et al (2016) Large-scale radiomic profiling of recurrent glioblastoma identifies an imaging predictor for stratifying anti-angiogenic treatment response. Clin Cancer Res 22:5765–5771 Kickingereder P, Götz M, Muschelli J et al (2016) Large-scale radiomic profiling of recurrent glioblastoma identifies an imaging predictor for stratifying anti-angiogenic treatment response. Clin Cancer Res 22:5765–5771
20.
21.
Zurück zum Zitat Jones CK, Huang A, Xu J et al (2013) Nuclear Overhauser enhancement (NOE) imaging in the human brain at 7T. Neuroimage 77:114–124CrossRefPubMed Jones CK, Huang A, Xu J et al (2013) Nuclear Overhauser enhancement (NOE) imaging in the human brain at 7T. Neuroimage 77:114–124CrossRefPubMed
22.
Zurück zum Zitat Jin T, Wang P, Zong X, Kim SG (2013) MR imaging of the amide-proton transfer effect and the pH-insensitive nuclear overhauser effect at 9.4 T. Magn Reson Med 69:760–770CrossRefPubMed Jin T, Wang P, Zong X, Kim SG (2013) MR imaging of the amide-proton transfer effect and the pH-insensitive nuclear overhauser effect at 9.4 T. Magn Reson Med 69:760–770CrossRefPubMed
23.
Zurück zum Zitat Zaiss M, Kunz P, Goerke S, Radbruch A, Bachert P (2013) MR imaging of protein folding in vitro employing nuclear-Overhauser-mediated saturation transfer. NMR Biomed 26:1815–1822CrossRefPubMed Zaiss M, Kunz P, Goerke S, Radbruch A, Bachert P (2013) MR imaging of protein folding in vitro employing nuclear-Overhauser-mediated saturation transfer. NMR Biomed 26:1815–1822CrossRefPubMed
24.
Zurück zum Zitat Goerke S, Zaiss M, Kunz P et al (2015) Signature of protein unfolding in chemical exchange saturation transfer imaging. NMR Biomed 28:906–913CrossRefPubMed Goerke S, Zaiss M, Kunz P et al (2015) Signature of protein unfolding in chemical exchange saturation transfer imaging. NMR Biomed 28:906–913CrossRefPubMed
25.
Zurück zum Zitat Longo DL, Di Gregorio E, Abategiovanni R et al (2014) Chemical exchange saturation transfer (CEST): an efficient tool for detecting molecular information on proteins’ behaviour. Analyst 139:2687–2690CrossRefPubMed Longo DL, Di Gregorio E, Abategiovanni R et al (2014) Chemical exchange saturation transfer (CEST): an efficient tool for detecting molecular information on proteins’ behaviour. Analyst 139:2687–2690CrossRefPubMed
26.
Zurück zum Zitat Zhou J, Payen JF, Wilson DA, Traystman RJ, van Zijl PC (2003) Using the amide proton signals of intracellular proteins and peptides to detect pH effects in MRI. Nat Med 9:1085–1090CrossRefPubMed Zhou J, Payen JF, Wilson DA, Traystman RJ, van Zijl PC (2003) Using the amide proton signals of intracellular proteins and peptides to detect pH effects in MRI. Nat Med 9:1085–1090CrossRefPubMed
27.
Zurück zum Zitat Sun PZ, Benner T, Copen WA, Sorensen AG (2010) Early experience of translating pH-weighted MRI to image human subjects at 3 Tesla. Stroke 41:S147–S151CrossRefPubMedPubMedCentral Sun PZ, Benner T, Copen WA, Sorensen AG (2010) Early experience of translating pH-weighted MRI to image human subjects at 3 Tesla. Stroke 41:S147–S151CrossRefPubMedPubMedCentral
28.
Zurück zum Zitat Zaiss M, Xu J, Goerke S et al (2014) Inverse Z-spectrum analysis for spillover-, MT-, and T1-corrected steady-state pulsed CEST-MRI--application to pH-weighted MRI of acute stroke. NMR Biomed 27:240–252CrossRefPubMedPubMedCentral Zaiss M, Xu J, Goerke S et al (2014) Inverse Z-spectrum analysis for spillover-, MT-, and T1-corrected steady-state pulsed CEST-MRI--application to pH-weighted MRI of acute stroke. NMR Biomed 27:240–252CrossRefPubMedPubMedCentral
29.
Zurück zum Zitat Zhou J, Lal B, Wilson DA, Laterra J, van Zijl PC (2003) Amide proton transfer (APT) contrast for imaging of brain tumors. Magn Reson Med 50:1120–1126 Zhou J, Lal B, Wilson DA, Laterra J, van Zijl PC (2003) Amide proton transfer (APT) contrast for imaging of brain tumors. Magn Reson Med 50:1120–1126
30.
Zurück zum Zitat Zhou J, Blakeley JO, Hua J et al (2008) Practical data acquisition method for human brain tumor amide proton transfer (APT) imaging. Magn Reson Med 60:842–849CrossRefPubMedPubMedCentral Zhou J, Blakeley JO, Hua J et al (2008) Practical data acquisition method for human brain tumor amide proton transfer (APT) imaging. Magn Reson Med 60:842–849CrossRefPubMedPubMedCentral
31.
Zurück zum Zitat Togao O, Yoshiura T, Keupp J et al (2014) Amide proton transfer imaging of adult diffuse gliomas: correlation with histopathological grades. Neuro Oncol 16:441–448 Togao O, Yoshiura T, Keupp J et al (2014) Amide proton transfer imaging of adult diffuse gliomas: correlation with histopathological grades. Neuro Oncol 16:441–448
32.
Zurück zum Zitat Paech D, Windschuh J, Oberhollenzer J et al (2018) Assessing the predictability of IDH mutation and MGMT methylation status in glioma patients using relaxation-compensated multi-pool CEST MRI at 7.0 Tesla. Neuro Oncol 20(12):1661–1671CrossRefPubMedPubMedCentral Paech D, Windschuh J, Oberhollenzer J et al (2018) Assessing the predictability of IDH mutation and MGMT methylation status in glioma patients using relaxation-compensated multi-pool CEST MRI at 7.0 Tesla. Neuro Oncol 20(12):1661–1671CrossRefPubMedPubMedCentral
33.
Zurück zum Zitat Zaiss M, Windschuh J, Paech D et al (2015) Relaxation-compensated CEST-MRI of the human brain at 7 T: unbiased insight into NOE and amide signal changes in human glioblastoma. Neuroimage 112:180–188 Zaiss M, Windschuh J, Paech D et al (2015) Relaxation-compensated CEST-MRI of the human brain at 7 T: unbiased insight into NOE and amide signal changes in human glioblastoma. Neuroimage 112:180–188
34.
Zurück zum Zitat Louis DN, Perry A, Reifenberger G et al (2016) The 2016 World Health Organization Classification of Tumors of the Central Nervous System: a summary. Acta Neuropathol 131:803–820CrossRefPubMed Louis DN, Perry A, Reifenberger G et al (2016) The 2016 World Health Organization Classification of Tumors of the Central Nervous System: a summary. Acta Neuropathol 131:803–820CrossRefPubMed
35.
Zurück zum Zitat Regnery S, Adeberg S, Dreher C et al (2018) Chemical exchange saturation transfer MRI serves as predictor of early progression in glioblastoma patients. Oncotarget 9:28772–28783CrossRefPubMedPubMedCentral Regnery S, Adeberg S, Dreher C et al (2018) Chemical exchange saturation transfer MRI serves as predictor of early progression in glioblastoma patients. Oncotarget 9:28772–28783CrossRefPubMedPubMedCentral
36.
Zurück zum Zitat Zaiss M, Windschuh J, Goerke S et al (2017) Downfield-NOE-suppressed amide-CEST-MRI at 7 Tesla provides a unique contrast in human glioblastoma. Magn Reson Med 77:196–208CrossRefPubMed Zaiss M, Windschuh J, Goerke S et al (2017) Downfield-NOE-suppressed amide-CEST-MRI at 7 Tesla provides a unique contrast in human glioblastoma. Magn Reson Med 77:196–208CrossRefPubMed
37.
Zurück zum Zitat Wen PY, Macdonald DR, Reardon DA et al (2010) Updated response assessment criteria for high-grade gliomas: response assessment in neuro-oncology working group. J Clin Oncol 28:1963–1972CrossRefPubMed Wen PY, Macdonald DR, Reardon DA et al (2010) Updated response assessment criteria for high-grade gliomas: response assessment in neuro-oncology working group. J Clin Oncol 28:1963–1972CrossRefPubMed
38.
Zurück zum Zitat Zaiss M, Zu Z, Xu J et al (2015) A combined analytical solution for chemical exchange saturation transfer and semi-solid magnetization transfer. NMR Biomed 28:217–230CrossRefPubMed Zaiss M, Zu Z, Xu J et al (2015) A combined analytical solution for chemical exchange saturation transfer and semi-solid magnetization transfer. NMR Biomed 28:217–230CrossRefPubMed
39.
Zurück zum Zitat Schuenke P, Windschuh J, Roeloffs V, Ladd ME, Bachert P, Zaiss M (2017) Simultaneous mapping of water shift and B1 (WASABI)—application to field-inhomogeneity correction of CESTMRI data. Magn Reson Med 77:571–580CrossRefPubMed Schuenke P, Windschuh J, Roeloffs V, Ladd ME, Bachert P, Zaiss M (2017) Simultaneous mapping of water shift and B1 (WASABI)—application to field-inhomogeneity correction of CESTMRI data. Magn Reson Med 77:571–580CrossRefPubMed
40.
Zurück zum Zitat Windschuh J, Zaiss M, Meissner JE et al (2015) Correction of B1-inhomogeneities for relaxation-compensated CEST imaging at 7 T. NMR Biomed 28:529–537CrossRefPubMed Windschuh J, Zaiss M, Meissner JE et al (2015) Correction of B1-inhomogeneities for relaxation-compensated CEST imaging at 7 T. NMR Biomed 28:529–537CrossRefPubMed
41.
Zurück zum Zitat Nolden M, Zelzer S, Seitel A et al (2013) The Medical Imaging Interaction Toolkit: challenges and advances: 10 years of open-source development. Int J Comput Assist Radiol Surg 8:607–620CrossRefPubMed Nolden M, Zelzer S, Seitel A et al (2013) The Medical Imaging Interaction Toolkit: challenges and advances: 10 years of open-source development. Int J Comput Assist Radiol Surg 8:607–620CrossRefPubMed
42.
Zurück zum Zitat Shanshan J, Tianyu Z, Eberhart GC et al (2017) Predicting IDH mutation status in grade II gliomas using amide proton transfer-weighted (APTw) MRI. Magn Reson Med 78:1100–1109CrossRef Shanshan J, Tianyu Z, Eberhart GC et al (2017) Predicting IDH mutation status in grade II gliomas using amide proton transfer-weighted (APTw) MRI. Magn Reson Med 78:1100–1109CrossRef
43.
Zurück zum Zitat Paech D, Zaiss M, Meissner JE et al (2014) Nuclear Overhauser enhancement mediated chemical exchange saturation transfer imaging at 7 tesla in glioblastoma patients. PLoS One 9:e104181 Paech D, Zaiss M, Meissner JE et al (2014) Nuclear Overhauser enhancement mediated chemical exchange saturation transfer imaging at 7 tesla in glioblastoma patients. PLoS One 9:e104181
44.
Zurück zum Zitat Desmond KL, Mehrabian H, Chavez S et al (2017) Chemical exchange saturation transfer for predicting response to stereotactic radiosurgery in human brain metastasis. Magn Reson Med 78:1110–1120CrossRefPubMed Desmond KL, Mehrabian H, Chavez S et al (2017) Chemical exchange saturation transfer for predicting response to stereotactic radiosurgery in human brain metastasis. Magn Reson Med 78:1110–1120CrossRefPubMed
45.
Zurück zum Zitat Paech D, Burth S, Windschuh J et al (2015) Nuclear Overhauser enhancement imaging of glioblastoma at 7 Tesla: region specific correlation with apparent diffusion coefficient and histology. PLoS One 10:e0121220CrossRefPubMedPubMedCentral Paech D, Burth S, Windschuh J et al (2015) Nuclear Overhauser enhancement imaging of glioblastoma at 7 Tesla: region specific correlation with apparent diffusion coefficient and histology. PLoS One 10:e0121220CrossRefPubMedPubMedCentral
46.
Zurück zum Zitat Choi YS, Ahn SS, Lee SK et al (2017) Amide proton transfer imaging to discriminate between low- and high-grade gliomas: added value to apparent diffusion coefficient and relative cerebral blood volume. Eur Radiol 27:3181–3189 Choi YS, Ahn SS, Lee SK et al (2017) Amide proton transfer imaging to discriminate between low- and high-grade gliomas: added value to apparent diffusion coefficient and relative cerebral blood volume. Eur Radiol 27:3181–3189
47.
Zurück zum Zitat Sakata A, Okada T, Yamamoto A et al (2015) Grading glial tumors with amide proton transfer MR imaging: different analytical approaches. J Neurooncol 122:339–348CrossRefPubMed Sakata A, Okada T, Yamamoto A et al (2015) Grading glial tumors with amide proton transfer MR imaging: different analytical approaches. J Neurooncol 122:339–348CrossRefPubMed
48.
Zurück zum Zitat Jiang S, Rui Q, Wang Y et al (2017) Discriminating MGMT promoter methylation status in patients with glioblastoma employing amide proton transfer-weighted MRI metrics. Eur Radiol 28(5):2115–2123CrossRefPubMedPubMedCentral Jiang S, Rui Q, Wang Y et al (2017) Discriminating MGMT promoter methylation status in patients with glioblastoma employing amide proton transfer-weighted MRI metrics. Eur Radiol 28(5):2115–2123CrossRefPubMedPubMedCentral
49.
Zurück zum Zitat Heo H-Y, Zhang Y, Jiang S, Lee DH, Zhou J (2016) Quantitative assessment of amide proton transfer (APT) and nuclear overhauser enhancement (NOE) imaging with extrapolated semisolid magnetization transfer reference (EMR) signals: II. Comparison of three EMR models and application to human brain glioma at 3 Tesla. Magn Reson Med 75:1630–1639 Heo H-Y, Zhang Y, Jiang S, Lee DH, Zhou J (2016) Quantitative assessment of amide proton transfer (APT) and nuclear overhauser enhancement (NOE) imaging with extrapolated semisolid magnetization transfer reference (EMR) signals: II. Comparison of three EMR models and application to human brain glioma at 3 Tesla. Magn Reson Med 75:1630–1639
50.
Zurück zum Zitat Xu J, Yadav NN, Bar-Shir A et al (2014) Variable delay multi-pulse train for fast chemical exchange saturation transfer and relayed-nuclear overhauser enhancement MRI. Magn Reson Med 71:1798–1812CrossRefPubMed Xu J, Yadav NN, Bar-Shir A et al (2014) Variable delay multi-pulse train for fast chemical exchange saturation transfer and relayed-nuclear overhauser enhancement MRI. Magn Reson Med 71:1798–1812CrossRefPubMed
Metadaten
Titel
Relaxation-compensated amide proton transfer (APT) MRI signal intensity is associated with survival and progression in high-grade glioma patients
verfasst von
Daniel Paech
Constantin Dreher
Sebastian Regnery
Jan-Eric Meissner
Steffen Goerke
Johannes Windschuh
Johanna Oberhollenzer
Miriam Schultheiss
Katerina Deike-Hofmann
Sebastian Bickelhaupt
Alexander Radbruch
Moritz Zaiss
Andreas Unterberg
Wolfgang Wick
Martin Bendszus
Peter Bachert
Mark E. Ladd
Heinz-Peter Schlemmer
Publikationsdatum
26.02.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
European Radiology / Ausgabe 9/2019
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-019-06066-2

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