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Abstract #3926

Spatial comparison of in vivo MRI with digital histology validates R2* as a biomarker of vascular hemodynamics in the Th-MYCN model of neuroblastoma

Konstantinos Zormpas-Petridis1, Matthew D. Blackledge1, Louis Chesler2, Yinyin Yuan3, Simon P. Robinson1, and Yann Jamin1

1Division of Radiotherapy and Imaging, Institute of Cancer Research, London, United Kingdom, 2Division of Clinical Studies, Institute of Cancer Research, London, United Kingdom, 3Division of Molecular Pathology, Institute of Cancer Research, London, United Kingdom

This study explores the use of automated image analysis pipelines and kernel density estimation (KDE) analysis for hotspot mapping as a generic methodology to spatially evaluate MRI biomarkers with corresponding high-resolution whole-slide digital histology, used here to validate the transverse relaxation R2* as a biomarker of vascular hemodynamics in the Th-MYCN transgenic mouse model of childhood neuroblastoma.

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