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Intraoperative patient-specific volumetric reconstruction and 3D visualization for laparoscopic liver surgery.
Healthc Technol Lett
December 2024
Despite the benefits of minimally invasive surgery, interventions such as laparoscopic liver surgery present unique challenges, like the significant anatomical differences between preoperative images and intraoperative scenes due to pneumoperitoneum, patient pose, and organ manipulation by surgical instruments. To address these challenges, a method for intraoperative three-dimensional reconstruction of the surgical scene, including vessels and tumors, without altering the surgical workflow, is proposed. The technique combines neural radiance field reconstructions from tracked laparoscopic videos with ultrasound three-dimensional compounding.
View Article and Find Full Text PDFEmerging cancer therapies: targeting physiological networks and cellular bioelectrical differences with non-thermal systemic electromagnetic fields in the human body - a comprehensive review.
Front Netw Physiol
December 2024
Department of Physics, University of Alberta, Edmonton, AB, Canada.
A steadily increasing number of publications support the concept of physiological networks, and how cellular bioelectrical properties drive cell proliferation and cell synchronization. All cells, especially cancer cells, are known to possess characteristic electrical properties critical for physiological behavior, with major differences between normal and cancer cell counterparts. This opportunity can be explored as a novel treatment modality in Oncology.
View Article and Find Full Text PDFHigh Detection Rates for Prostate-specific Membrane Antigen-avid Prostate Cancer Recurrence at Low Prostate-specific Antigen levels on Extended Axial Field-of-view Positron Emission Tomography/Computed Tomography.
Eur Urol Open Sci
January 2025
Melbourne Theranostic Innovation Centre, Melbourne, Australia.
Background And Objective: Although prostate-specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) has impacted the investigation and management of biochemical recurrence (BCR) of prostate cancer, negative scans are common at low rising prostate-specific antigen (PSA) levels. PET/CT devices with an extended axial field-of-view, such as the Siemens Biograph Vision Quadra (Quadra) scanner, have substantially higher sensitivity than conventional field-of-view scanners. Our aim was to assess whether the enhanced signal-to-noise ratios achieved on the Quadra scanner improve detection of low-volume disease and thereby increase detection of PC at low PSA levels.
View Article and Find Full Text PDFSolar Wind Irradiation of Methane and Methane-Water Ices: A Molecular Dynamics Approach.
ACS Earth Space Chem
December 2024
Thermal Protection Materials Branch, NASA Ames Research Center, Moffett Field, California 94035, United States.
Molecular dynamics simulations were performed to characterize reaction products, resulting from solar wind irradiation, namely, H, of methane and methane-water ices. In our approach, we used seven 0.829 keV H (total energy of 5.
View Article and Find Full Text PDFObtaining super-resolved images at the mesoscale through super-resolution radial fluctuations.
J Biomed Opt
December 2024
University of Strathclyde, Strathclyde Institute of Pharmacy and Biomedical Sciences, Glasgow, United Kingdom.
Significance: Current super-resolution imaging techniques allow for a greater understanding of cellular structures; however, they are often complex or only have the ability to image a few cells at once. This small field of view (FOV) may not represent the behavior across the entire sample, and manual selection of regions of interest (ROIs) may introduce bias. It is possible to stitch and tile many small ROIs; however, this can result in artifacts across an image.
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