Dynamic contrast-enhanced MRI to characterize angiogenesis in primary epithelial ovarian cancer: An exploratory study.

Autor: Lindgren A; Department of Obstetrics and Gynaecology, Kuopio University Hospital, Kuopio, Finland; University of Eastern Finland, Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, Obstetrics and Gynaecology, Kuopio, Finland. Electronic address: auni.lindgren@pshyvinvointialue.fi., Anttila M; Department of Obstetrics and Gynaecology, Kuopio University Hospital, Kuopio, Finland; University of Eastern Finland, Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, Obstetrics and Gynaecology, Kuopio, Finland., Arponen O; Department of Clinical Radiology, Kuopio University Hospital, Kuopio, Finland; Faculty of Medicine and Health Technology, University of Tampere, Tampere, Finland., Hämäläinen K; Department of Pathology and Forensic Medicine, Kuopio University Hospital, Kuopio, Finland; University of Eastern Finland, Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, Pathology and Forensic Medicine, Kuopio, Finland., Könönen M; Department of Clinical Radiology, Kuopio University Hospital, Kuopio, Finland; Department of Clinical Neurophysiology, Kuopio University Hospital, Kuopio, Finland., Vanninen R; Department of Clinical Radiology, Kuopio University Hospital, Kuopio, Finland; University of Eastern Finland, Faculty of Health Sciences, School of Medicine, Institute of Clinical Medicine, Clinical Radiology, Kuopio, Finland; Cancer Center of Eastern Finland, University of Eastern Finland, Kuopio, Finland., Sallinen H; Department of Obstetrics and Gynaecology, Kuopio University Hospital, Kuopio, Finland.
Jazyk: angličtina
Zdroj: European journal of radiology [Eur J Radiol] 2023 Aug; Vol. 165, pp. 110925. Date of Electronic Publication: 2023 Jun 11.
DOI: 10.1016/j.ejrad.2023.110925
Abstrakt: Purpose: Angiogenesis is essential for tumor growth. Currently, there are no established imaging biomarkers to show angiogenesis in tumor tissue. The aim of this prospective study was to evaluate whether semiquantitative and pharmacokinetic DCE-MRI perfusion parameters could be used to assess angiogenesis in epithelial ovarian cancer (EOC).
Method: We enrolled 38 patients with primary EOC treated in 2011-2014. DCE-MRI was performed with a 3.0 T imaging system before the surgical treatment. Two different sizes of ROI were used to evaluate semiquantitative and pharmacokinetic DCE perfusion parameters: a large ROI (L-ROI) covering the whole primary lesion on one plane and a small ROI (S-ROI) covering a small solid, highly enhancing focus. Tissue samples from tumors were collected during the surgery. Immunohistochemistry was used to measure the expression of vascular endothelial growth factor (VEGF), its receptors (VEGFRs) and to analyse microvascular density (MVD) and the number of microvessels.
Results: VEGF expression correlated inversely with K trans (L-ROI, r = -0.395 (p = 0.009), S-ROI, r = -0.390, (p = 0.010)), V e (L-ROI, r = -0.395 (p = 0.009), S-ROI, r = -0.412 (p = 0.006)) and V p (L-ROI, r = -0.388 (p = 0.011), S-ROI, r = -0.339 (p = 0.028)) values in EOC. Higher VEGFR-2 correlated with lower DCE parameters K trans (L-ROI, r = -0.311 (p = 0.040), S-ROI, r = -0.337 (p = 0.025)) and V e (L-ROI, r = -0.305 (p = 0.044), S-ROI, r = -0.355 (p = 0.018)). We also found that MVD and the number of microvessels correlated positively with AUC, Peak and WashIn values.
Conclusions: We observed that several DCE-MRI parameters correlated with VEGF and VEGFR-2 expression and MVD. Thus, both semiquantitative and pharmacokinetic perfusion parameters of DCE-MRI represent promising tools for the assessment of angiogenesis in EOC.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.)
Databáze: MEDLINE