Zobrazeno 1 - 10
of 526
pro vyhledávání: '"Indrin J, Chetty"'
Autor:
Hassan Bagher-Ebadian, Stephen L. Brown, Mohammad M. Ghassemi, Tavarekere N. Nagaraja, Benjamin Movsas, James R. Ewing, Indrin J. Chetty
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-23 (2023)
Abstract Here, we investigate radiomics-based characterization of tumor vascular and microenvironmental properties in an orthotopic rat brain tumor model measured using dynamic-contrast-enhanced (DCE) MRI. Thirty-two immune compromised-RNU rats impla
Externí odkaz:
https://doaj.org/article/423beb6312a542469a6b348ae770a43f
Autor:
Hassan Bagher-Ebadian, Stephen L. Brown, Mohammad M. Ghassemi, Tavarekere N. Nagaraja, Olivia Grahm Valadie, Prabhu C. Acharya, Glauber Cabral, George Divine, Robert A. Knight, Ian Y. Lee, Jun H. Xu, Benjamin Movsas, Indrin J. Chetty, James R. Ewing
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-16 (2023)
Abstract We introduce and validate four adaptive models (AMs) to perform a physiologically based Nested-Model-Selection (NMS) estimation of such microvascular parameters as forward volumetric transfer constant, Ktrans, plasma volume fraction, vp, and
Externí odkaz:
https://doaj.org/article/0ad2bbaeea014e0faf2ee47c285e3573
Publikováno v:
Advances in Radiation Oncology, Vol 9, Iss 1, Pp 101271- (2024)
Purpose: With the recent clinical implementation of magnetic resonance imaging (MRI)-guided linear accelerators, a large number of real-time planar MR images has been acquired during lung cancer treatment as a standard of care. In this study, associa
Externí odkaz:
https://doaj.org/article/380937c2368c43a09e32b10e8f77dfce
Autor:
Doris N. Rusu, Justine M. Cunningham, Jacob V. Arch, Indrin J. Chetty, Parag J. Parikh, Jennifer L. Dolan
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
PurposeThe total time of radiation treatment delivery for pancreatic cancer patients with daily online adaptive radiation therapy (ART) on an MR-Linac can range from 50 to 90 min. During this period, the target and normal tissues undergo changes due
Externí odkaz:
https://doaj.org/article/db38f1f6f12b4bb68ecf771f89e39673
Autor:
Shivani Thoidingjam, Sushmitha Sriramulu, Svend Freytag, Stephen L. Brown, Jae Ho Kim, Indrin J. Chetty, Farzan Siddiqui, Benjamin Movsas, Shyam Nyati
Publikováno v:
Translational Medicine Communications, Vol 8, Iss 1, Pp 1-21 (2023)
Abstract Gene therapy manipulates or modifies a gene that provides a new cellular function to treat or correct a pathological condition, such as cancer. The approach of using gene manipulation to modify patient’s cells to improve cancer therapy and
Externí odkaz:
https://doaj.org/article/94f8a2b05fb640139301d12e996dc08e
Autor:
Michael Dumas, Marisa Leney, Joshua Kim, Parag Sevak, Mohamed Elshaikh, Milan Pantelic, Benjamin Movsas, Indrin J. Chetty, Ning Wen
Publikováno v:
Precision Radiation Oncology, Vol 6, Iss 2, Pp 119-126 (2022)
Abstract Objective To assess the feasibility of using synthetic computed tomography for treatment planning of the dominant intraprostatic lesion (DIL), a high‐risk region of interest that offers potential for increased local tumor control. Methods
Externí odkaz:
https://doaj.org/article/41121011f4fa407cae1684a220c3e18e
Autor:
Yimei Huang, Evan Liang, Eric M. Schaff, Bo Zhao, Karen C. Snyder, Indrin J. Chetty, Mira M. Shah, Salim M. Siddiqui
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
ObjectiveMagnetic resonance imaging (MRI) is a standard imaging modality in intracranial stereotactic radiosurgery (SRS) for defining target volumes. However, wide disparities in MRI resolution exist, which could directly impact accuracy of target de
Externí odkaz:
https://doaj.org/article/d4c5d67a22ac481aaa207c900ac4086b
Autor:
Ilma Xhaferllari, Joshua P. Kim, Ruchira Liyanage, Chang Liu, Dongsu Du, Anthony Doemer, Indrin J. Chetty, Ning Wen
Publikováno v:
Radiation Oncology, Vol 16, Iss 1, Pp 1-12 (2021)
Abstract Background The purpose of this study is to comprehensively evaluate the suitability of Gafchromic EBT3 and EBT-XD film for dosimetric quality assurance in 0.35 T MR-guided radiotherapy. Methods A 0.35 T magnetic field strength was utilized t
Externí odkaz:
https://doaj.org/article/f3886fb304ba4b688859ec76c3f40bc2
Autor:
Justine M. Cunningham, Karen Chin Snyder, Joshua P. Kim, Salim M. Siddiqui, Parag Parikh, Indrin J. Chetty, Jennifer L. Dolan
Publikováno v:
Frontiers in Physics, Vol 10 (2022)
Purpose: The superior soft-tissue contrast of MRI-guided radiotherapy offers enhanced localization accuracy of the spinal cord in spine Stereotactic Body Radiotherapy (SBRT). This work includes a planning study for spine-SBRT on an MR-Linac. Addition
Externí odkaz:
https://doaj.org/article/9fce0ceda6c642f7a39b7b873b4406c9
Publikováno v:
Frontiers in Oncology, Vol 12 (2022)
Purposes/ObjectivesHistorically, motion correlation between internal tumor and external surrogates have been based on limited sets of X-ray or magnetic resonance (MR) images. With the recent clinical implementation of MR-guided linear accelerators, a
Externí odkaz:
https://doaj.org/article/0901de9aa5b640518537526e591d5811