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Results for "tissue oxygenation": 4 found

BEST IN PHYSICS MULTI-DISCIPLINARY: Quantitative MRI Oximetry: Combining EPR and OE-MRI for Volumetric Mapping of Hypoxia in Tumors

Authors: Victor B. Kassey, Maciej M. Kmiec, Periannan Kuppusamy, Sergey V. Petryakov, Conner Ubert

Affiliation: Dartmouth College

Abstract Preview: Purpose: Tumor hypoxiaβ€”a state of reduced oxygen supplyβ€”is well known to affect treatment response, particularly in radiotherapy and chemotherapy. Oxygen-enhanced magnetic resonance imaging (OE-MRI) u...

BEST IN PHYSICS THERAPY: Impact of Local Tissue Oxygenation Level on the Flash Effect in Murine Skin

Authors: David J. Gladstone, P. Jack Hoopes, David I Hunter, Brian W Pogue, Jacob Pierce Sunnerberg, Armin Tavakkoli

Affiliation: Thayer School of Engineering, Dartmouth College, University of Wisconsin - Madison, Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Geisel School of Medicine, Dartmouth College

Abstract Preview: Purpose: The FLASH effect, characterized by normal tissue sparing under ultra-high dose rate (UHDR) radiation delivery, remains mechanistically unclear. This study investigated the relationship betwee...

Hyperbaric Oxygen Therapy Prior to SRS Does Not Enhance Radiosensitivity in the Murine Glioblastoma Model

Authors: Beverly Allen, Jay C. Buckey, David J. Gladstone, P. Jack Hoopes, David I Hunter, Armin Tavakkoli

Affiliation: Thayer School of Engineering, Dartmouth College, Geisel School of Medicine, Dartmouth College, Geisel School of Medicine, Thayer School of Engineering

Abstract Preview: Purpose: Hyperbaric oxygen (HBO) therapy immediately prior to radiation therapy has been proposed as treatment to enhance radiosensitivity of hypoxic tumors. A murine glioblastoma model was utilized t...

Realistic Modeling of Vasculature Flow and Oxygen Distribution in Normal Tissue and Glioblastoma

Authors: Yi Fan, Andrew Friberg, Costas Koumenis, Kevin Teo, Ioannis I Verginadis, Ledi Wang, Jennifer Wei Zou

Affiliation: Department of Radiation Oncology, University of Pennsylvania, University of Pennsylvania

Abstract Preview: Purpose: Glioblastomas (GBM) are aggressive and lethal malignancies characterized by their highly refractory nature, contributing to a five-year survival rate of approximately 7%. Physically, GBM exhi...