Search Results - "Mackenzie, Marc"

Low dose lung radiation therapy for pneumonia: an examination of historical dose distributions.

Authors: Kirkby, Charles Mackenzie, Marc

Source: Physics in Medicine & Biology. 8/7/2020, Vol. 65 Issue 15, p1-8. 8p.

Subjects: Monte Carlo method, Imaging phantoms, Adult respiratory distress syndrome, SARS-CoV-2, Radiotherapy, Pneumonia, Radiation doses

An artificial neural network (ANN)-based lung-tumor motion predictor for intrafractional MR tumor tracking.

Authors: Yun, Jihyun Mackenzie, Marc Rathee, Satyapal et al.

Source: Medical Physics. Jul2012, Vol. 39 Issue 7,Part 1, p4423-4433. 11p.

Subjects: Artificial neural networks, Lung tumors, Magnetic resonance imaging, Medical imaging systems, Cancer patients, Mathematical optimization, Simulation methods & models

Clinical Evaluation of Normalized Metal Artifact Reduction in kVCT Using MVCT Prior Images (MVCT-NMAR) for Radiation Therapy Treatment Planning.

Authors: Paudel, Moti Raj Mackenzie, Marc Fallone, B. Gino et al.

Source: International Journal of Radiation Oncology, Biology, Physics. Jul2014, Vol. 89 Issue 3, p682-689. 8p.

Subjects: Medical artifacts, Radiotherapy treatment planning, Computed tomography, Dental fillings, Radiation doses, Artificial hip joints, Diagnostic imaging

Assessment of Extended-Field Radiotherapy for Stage IIIC Endometrial Cancer Using Three-Dimensional Conformal Radiotherapy, Intensity-Modulated Radiotherapy, and Helical Tomotherapy

Authors: Lian, Jidong Mackenzie, Marc Joseph, Kurian et al.

Source: International Journal of Radiation Oncology, Biology, Physics. Mar2008, Vol. 70 Issue 3, p935-943. 9p.

Subjects: Radiotherapy, Medical electronics, Cancer patients, Drug dosage

Skin-Sparing Radiation Using Intensity-Modulated Radiotherapy After Conservative Surgery in Early-Stage Breast Cancer: A Planning Study

Authors: Saibishkumar, Elantholi P. MacKenzie, Marc A. Severin, Diane et al.

Source: International Journal of Radiation Oncology, Biology, Physics. Feb2008, Vol. 70 Issue 2, p485-491. 7p.

Subjects: Radiation, Breast cancer surgery, Medical radiology, Cancer in women

Quantifying Appropriate PTV Setup Margins: Analysis of Patient Setup Fidelity and Intrafraction Motion Using Post-Treatment Megavoltage Computed Tomography Scans

Authors: Drabik, Donata M. MacKenzie, Marc A. Fallone, Gino B.

Source: International Journal of Radiation Oncology, Biology, Physics. Jul2007, Vol. 68 Issue 4, p1222-1228. 7p.

Subjects: Tomography, Glioblastoma multiforme, Medical radiology, Prostate

Response to: RILI model and the Covid-19 pneumonia: The radiation oncologist point of view.

Authors: Kirkby, Charles Mackenzie, Marc

Source: Radiotherapy & Oncology. Aug2020, Vol. 149, p72-72. 1p.

Subjects: COVID-19, Pneumonia, COVID-19 pandemic, Oncologists, Medical sciences

Comment on “Monte Carlo evaluation of the convolution/superposition algorithm of Hi-ArtTM tomotherapy in heterogeneous phantoms and clinical cases” [Med. Phys. 36, 1566–1575 (2009)].

Authors: Mackenzie, Marc A. Zhao, Yingli Kirkby, Charles et al.

Source: Medical Physics. Aug2009, Vol. 36 Issue 8, p3856-3856. 1p.

Subjects: Letters to the editor, Tomography

Is low dose radiation therapy a potential treatment for COVID-19 pneumonia?

Authors: Kirkby, Charles Mackenzie, Marc

Source: Radiotherapy & Oncology. Jun2020, Vol. 147, p221-221. 1p.

Subjects: COVID-19, Radiotherapy, Radiation doses, Pneumonia

Response to: Low dose radiation therapy for COVID-19 pneumonia a double-edged sword.

Authors: Kirkby, Charles Mackenzie, Marc

Source: Radiotherapy & Oncology. Jun2020, Vol. 147, p226-226. 1p.

Subjects: COVID-19, Radiotherapy, Radiation doses, Medical sciences, Pneumonia

First demonstration of intrafractional tumor-tracked irradiation using 2D phantom MR images on a prototype linac-MR.

Authors: Yun, Jihyun Wachowicz, Keith Mackenzie, Marc et al.

Source: Medical Physics. May2013, Vol. 40 Issue 5, p051718-N.PAG. 12p.

Subjects: Magnetic resonance imaging of cancer, Cancer radiotherapy, Imaging phantoms, Prototypes, Beam collimation, Radiation doses

Intensity modulated arc therapy technique using sliding window dynamic multileaf collimation

Authors: MacKenzie, Marc Alexander

URL: https://era.library.ualberta.ca/items/49a8f09c-ff4f-4b5d-8aeb-249f7006542e/view/6090bcac-fafa-4562-88a5-6f719be76967/NQ59624.pdf

Topics in Accelerator Health Physics: HPS Professional Development School Proceedings.

Authors: Mackenzie, Marc¹ marcmack@cancerboard.ab.ca

Source: Journal of Medical Physics. Oct2009, Vol. 34 Issue 4, p226-226. 1p.

Production of arbitrary dose profiles in homogeneous phantom by dynamic collimation

Authors: MacKenzie, Marc Alexander.

URL: https://era.library.ualberta.ca/items/1012bac9-58bc-45cf-9448-24be92e9a3c9/view/aa6de72b-b9ce-4e6d-a82d-7c5718548adb/MM18294.pdf

Acute Toxicity in High-Risk Prostate Cancer Patients Treated With Androgen Suppression and Hypofractionated Intensity-Modulated Radiotherapy

Authors: Pervez, Nadeem Small, Cormac MacKenzie, Marc et al.

Source: International Journal of Radiation Oncology, Biology, Physics. Jan2010, Vol. 76 Issue 1, p57-64. 8p.

Subjects: Prostate cancer treatment, Acute toxicity testing, Cancer radiotherapy, Androgens, Hormone therapy, Oncology, Follow-up studies (Medicine), Treatment effectiveness

Phase I study of hypofractionated intensity modulated radiation therapy with concurrent and adjuvant temozolomide in patients with glioblastoma multiforme.

Authors: Jastaniyah, Noha Murtha, Albert Pervez, Nadeem et al.

Source: Radiation Oncology. 2013, Vol. 8 Issue 1, p1-9. 9p.

Dosimetric evaluation of helical tomotherapy treatment planning for non-small cell lung cancer.

Authors: Chu, Karen Rodrigues, George Yartsev, Slav et al.

Source: Cancer Therapy. 2008, Vol. 6 Issue 2, p571-576. 6p. 4 Charts.

Dosimetric comparison of tomotherapy versus 4-field pelvic box altered fractionation radiotherapy treatment plans for invasive squamous cell carcinoma of the cervix.

Authors: Don Yee Pearcey, Robert Dundas, George et al.

Source: Cancer Therapy. 2008, Vol. 6 Issue 2, p553-561. 9p. 2 Charts, 5 Graphs.

Evaluation of a lung tumor autocontouring algorithm for intrafractional tumor tracking using low-field MRI: A phantom study.

Authors: Yun, Jihyun Yip, Eugene Wachowicz, Keith et al.

Source: Medical Physics. Mar2012, Vol. 39 Issue 3, p1481-1494. 14p.

Subjects: Lung tumors, Magnetic resonance imaging of cancer, Algorithms, Feasibility studies, Simulation methods & models, Imaging of cancer, Diagnosis

Skin-sparing Helical Tomotherapy vs 3D-conformal Radiotherapy for Adjuvant Breast Radiotherapy: In Vivo Skin Dosimetry Study

Authors: Capelle, Lisa Warkentin, Heather MacKenzie, Marc et al.

Source: International Journal of Radiation Oncology, Biology, Physics. Aug2012, Vol. 83 Issue 5, pe583-e590. 0p.

Subjects: Effect of radiation on skin, Breast cancer, Cancer radiotherapy, Adjuvant treatment of cancer, Thermoluminescence dosimetry, Randomized controlled trials