Correlation of magnetic resonance imaging with digital histopathology in prostate

International Journal of Computer Assisted Radiology and Surgery
Jin Tae KwakBradford J Wood

Abstract

We propose a systematic approach to correlate MRI and digital histopathology in prostate. T2-weighted (T2W) MRI and diffusion-weighted imaging (DWI) are acquired, and a patient-specific mold (PSM) is designed from the MRI. Following prostatectomy, a whole mount tissue specimen is placed in the PSM and sectioned, ensuring that tissue blocks roughly correspond to MRI slices. Rigid body and thin plate spline deformable registration attempt to correct deformation during image acquisition and tissue preparation and achieve a more complete one-to-one correspondence between MRIs and tissue sections. Each tissue section is stained with hematoxylin and eosin and segmented by adopting a machine learning approach. Utilizing this tissue segmentation and image registration, the density of cellular and tissue components (lumen, nucleus, epithelium, and stroma) is estimated per MR voxel, generating density maps for the whole prostate. This study was approved by the local IRB, and informed consent was obtained from all patients. Registration of tissue specimens and MRIs was aided by the PSM and subsequent image registration. Tissue segmentation was performed using a machine learning approach, achieving ≥0.98 AUCs for lumen, nucleus, epithelium...Continue Reading

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Citations

Jul 6, 2019·Contrast Media & Molecular Imaging·D BaldiC Cavaliere
Aug 9, 2019·European Radiology Experimental·Renato CuocoloMassimo Imbriaco
Jan 31, 2017·Expert Review of Precision Medicine and Drug Development·David J VanderWeeleAdam G Sowalsky
Apr 7, 2021·Arkhiv patologii·G V PopovV A Varshavsky

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