Prognostic significance of increased bone marrow microcirculation in newly diagnosed multiple myeloma: results of a prospective DCE-MRI study
ObjectivesAim of this prospective study was to investigate prognostic significance of increased bone marrow microcirculation as detected by dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for survival and local complications in patients with multiple myeloma (MM).MethodsWe performed D...
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| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2016
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| In: |
European radiology
Year: 2015, Jahrgang: 26, Heft: 5, Pages: 1404-1411 |
| ISSN: | 1432-1084 |
| DOI: | 10.1007/s00330-015-3928-4 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1007/s00330-015-3928-4
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| Verfasserangaben: | Maximilian Merz, Thomas M. Moehler, Judith Ritsch, Tobias Bäuerle, Christian M. Zechmann, Barbara Wagner, Anna Jauch, Dirk Hose, Christina Kunz, Thomas Hielscher, Hendrik Laue, Hartmut Goldschmidt, Stefan Delorme, Jens Hillengass |
MARC
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| 245 | 1 | 0 | |a Prognostic significance of increased bone marrow microcirculation in newly diagnosed multiple myeloma |b results of a prospective DCE-MRI study |c Maximilian Merz, Thomas M. Moehler, Judith Ritsch, Tobias Bäuerle, Christian M. Zechmann, Barbara Wagner, Anna Jauch, Dirk Hose, Christina Kunz, Thomas Hielscher, Hendrik Laue, Hartmut Goldschmidt, Stefan Delorme, Jens Hillengass |
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| 520 | |a ObjectivesAim of this prospective study was to investigate prognostic significance of increased bone marrow microcirculation as detected by dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for survival and local complications in patients with multiple myeloma (MM).MethodsWe performed DCE-MRI of the lumbar spine in 131 patients with newly diagnosed MM and analysed data according to the Brix model to acquire amplitude A and exchange rate constant k ep. In 61 patients a second MRI performed after therapy was evaluated to assess changes in vertebral height and identify vertebral fractures.ResultsCorrelation analysis revealed significant positive association between beta2-microglobulin as well as immunoparesis with DCE-MRI parameters A and k ep. Additionally, A was negatively correlated with haemoglobin levels and k ep was positively correlated with LDH levels. Higher baseline k ep values were associated with decreased vertebral height in a second MRI (P = 0.007) and A values were associated with new vertebral fractures in the lower lumbar spine (P = 0.03 for L4). Pre-existing lytic bone lesions or remission after therapy had no impact on the occurrence of vertebral fractures. Multivariate analysis revealed that amplitude A is an independent adverse risk factor for overall survival.ConclusionDCE-MRI is a non-invasive tool with significance for systemic prognosis and vertebral complications. Key Points • Qualitative parameters from DCE-MRI are correlated with established factors of disease activity • Increased marrow microcirculation might be a risk factor for loss of vertebral height and fractures • Amplitude A is an independent predictor for shortened overall survival | ||
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| 650 | 4 | |a Dynamic contrast-enhanced MRI | |
| 650 | 4 | |a Magnetic resonance imaging | |
| 650 | 4 | |a Multiple myeloma | |
| 650 | 4 | |a Vertebral fracture | |
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