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Published in: Insights into Imaging 1/2020

01-12-2020 | Ovarian Cancer | Critical Review

Integrative radiogenomics for virtual biopsy and treatment monitoring in ovarian cancer

Authors: Paula Martin-Gonzalez, Mireia Crispin-Ortuzar, Leonardo Rundo, Maria Delgado-Ortet, Marika Reinius, Lucian Beer, Ramona Woitek, Stephan Ursprung, Helen Addley, James D. Brenton, Florian Markowetz, Evis Sala

Published in: Insights into Imaging | Issue 1/2020

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Abstract

Background

Ovarian cancer survival rates have not changed in the last 20 years. The majority of cases are High-grade serous ovarian carcinomas (HGSOCs), which are typically diagnosed at an advanced stage with multiple metastatic lesions. Taking biopsies of all sites of disease is infeasible, which challenges the implementation of stratification tools based on molecular profiling.

Main body

In this review, we describe how these challenges might be overcome by integrating quantitative features extracted from medical imaging with the analysis of paired genomic profiles, a combined approach called radiogenomics, to generate virtual biopsies. Radiomic studies have been used to model different imaging phenotypes, and some radiomic signatures have been associated with paired molecular profiles to monitor spatiotemporal changes in the heterogeneity of tumours. We describe different strategies to integrate radiogenomic information in a global and local manner, the latter by targeted sampling of tumour habitats, defined as regions with distinct radiomic phenotypes.

Conclusion

Linking radiomics and biological correlates in a targeted manner could potentially improve the clinical management of ovarian cancer. Radiogenomic signatures could be used to monitor tumours during the course of therapy, offering additional information for clinical decision making. In summary, radiogenomics may pave the way to virtual biopsies and treatment monitoring tools for integrative tumour analysis.
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Metadata
Title
Integrative radiogenomics for virtual biopsy and treatment monitoring in ovarian cancer
Authors
Paula Martin-Gonzalez
Mireia Crispin-Ortuzar
Leonardo Rundo
Maria Delgado-Ortet
Marika Reinius
Lucian Beer
Ramona Woitek
Stephan Ursprung
Helen Addley
James D. Brenton
Florian Markowetz
Evis Sala
Publication date
01-12-2020
Publisher
Springer Berlin Heidelberg
Published in
Insights into Imaging / Issue 1/2020
Electronic ISSN: 1869-4101
DOI
https://doi.org/10.1186/s13244-020-00895-2

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