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Erschienen in: European Radiology 6/2020

20.02.2020 | Magnetic Resonance

Vascular habitat analysis based on dynamic susceptibility contrast perfusion MRI predicts IDH mutation status and prognosis in high-grade gliomas

verfasst von: Hao Wu, Haipeng Tong, Xuesong Du, Hong Guo, Qiang Ma, Yulong Zhang, Xiaoyue Zhou, Heng Liu, Sunan Wang, Jingqin Fang, Weiguo Zhang

Erschienen in: European Radiology | Ausgabe 6/2020

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Abstract

Objective

The current study aimed to evaluate the clinical practice for hemodynamic tissue signature (HTS) method in IDH genotype prediction in three groups derived from high-grade gliomas.

Methods

Preoperative MRI examinations of 44 patients with known grade and IDH genotype were assigned into three study groups: glioblastoma multiforme, grade III, and high-grade gliomas. Perfusion parameters were analyzed and were used to automatically draw the four reproducible habitats (high-angiogenic enhancing tumor habitats, low-angiogenic enhancing tumor habitats, infiltrated peripheral edema habitats, vasogenic peripheral edema habitats) related to vascular heterogeneity. These four habitats were then compared between inter-patient with IDH mutation and their wild-type counterparts at these three groups, respectively. The discriminating potential for HTS in assessing IDH mutation status prediction was assessed by ROC curves.

Results

Compared with IDH wild type, IDH mutation had significantly decreased relative cerebral blood volume (rCBV) at the high-angiogenic enhancing tumor habitats and low-angiogenic enhancing tumor habitats. ROC analysis revealed that the rCBVs in habitats had great ability to discriminate IDH mutation from their wild type in all groups. In addition, the Kaplan-Meier survival analysis yielded significant differences for the survival times observed from the populations dichotomized by low (< 4.31) and high (> 4.31) rCBV in the low-angiogenic enhancing tumor habitat.

Conclusions

The HTS method has been proven to have high prediction capabilities for IDH mutation status in high-grade glioma patients, providing a set of quantifiable habitats associated with tumor vascular heterogeneity.

Key Points

• The HTS method has a high accuracy for molecular stratification prediction for all subsets of HGG.
• The HTS method can give IDH mutation–related hemodynamic information of tumor-infiltrated and vasogenic edema.
• IDH-relevant rCBV difference in habitats will be a great prognosis factor in HGG.
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Metadaten
Titel
Vascular habitat analysis based on dynamic susceptibility contrast perfusion MRI predicts IDH mutation status and prognosis in high-grade gliomas
verfasst von
Hao Wu
Haipeng Tong
Xuesong Du
Hong Guo
Qiang Ma
Yulong Zhang
Xiaoyue Zhou
Heng Liu
Sunan Wang
Jingqin Fang
Weiguo Zhang
Publikationsdatum
20.02.2020
Verlag
Springer Berlin Heidelberg
Erschienen in
European Radiology / Ausgabe 6/2020
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-020-06702-2

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