David Jaffray
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David Jaffray
David A. Jaffray is a Canadian medical physicist and Senior Scientist in the Division of Biophysics and Bioimaging at the Ontario Cancer Institute. He is also a professor and Vice Chair in the University of Toronto's Department of Radiation Oncology. He is the inventor, together with John Wong and Jeffrey Siewerdsen, of on-line volumetric kv- imaging guidance system for radiation therapy Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is a therapy using ionizing radiation, generally provided as part of cancer treatment to control or kill malignant cells and normally delivered by a linear accelerator. Radia .... He was named as one of "Canada's Top 40 Under 40" in 2003 by Caldwell Partners. On 21 May 2019, the University of Texas MD Anderson Cancer Center announced that Jaffray would be joining the institution as its "first chief technology and digital officer". PublicationsCited by 126 References CTV News – Treatment allows better targeting of tum ...
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Canadians
Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''Canadian''. Canada is a multilingual and Multiculturalism, multicultural society home to people of groups of many different ethnic, religious, and national origins, with the majority of the population made up of Old World Immigration to Canada, immigrants and their descendants. Following the initial period of New France, French and then the much larger British colonization of the Americas, British colonization, different waves (or peaks) of immigration and settlement of non-indigenous peoples took place over the course of nearly two centuries and continue today. Elements of Indigenous, French, British, and more recent immigrant customs, languages, and religions have combined to form the culture of Canada, and thus a Canadian ...
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University Of Texas MD Anderson Cancer Center
The University of Texas MD Anderson Cancer Center (colloquially MD Anderson Cancer Center) is a comprehensive cancer center in Houston, Texas. It is the largest cancer center in the U.S. and one of the original three comprehensive cancer centers in the country. It is both a degree-granting academic institution and a cancer treatment and research center located at the Texas Medical Center in Houston. It is affiliated with The University of Texas Health Science Center at Houston. According to Newsweek, MD Anderson Cancer Center is considered the best hospital in the world for oncology and related cancer treatment. History The cancer center is named after Monroe Dunaway Anderson, a banker and cotton trader from Jackson, Tennessee. He was a member of a business partnership with his brother-in-law Will Clayton. Their company became the largest cotton company in the world. Anderson feared that in the event of one of the partners' deaths, the company would lose a large amount of money t ...
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University Of Toronto Faculty
A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the designation is reserved for colleges that have a graduate school. The word ''university'' is derived from the Latin ''universitas magistrorum et scholarium'', which roughly means "community of teachers and scholars". The first universities were created in Europe by Catholic Church monks. The University of Bologna (''Università di Bologna''), founded in 1088, is the first university in the sense of: *Being a high degree-awarding institute. *Having independence from the ecclesiastic schools, although conducted by both clergy and non-clergy. *Using the word ''universitas'' (which was coined at its foundation). *Issuing secular and non-secular degrees: grammar, rhetoric, logic, theology, canon law, notarial law.Hunt Janin: "The university i ...
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Year Of Birth Missing (living People)
A year or annus is the orbital period of a planetary body, for example, the Earth, moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, marked by change in weather, the hours of daylight, and, consequently, vegetation and soil fertility. In temperate and subpolar regions around the planet, four seasons are generally recognized: spring, summer, autumn and winter. In tropical and subtropical regions, several geographical sectors do not present defined seasons; but in the seasonal tropics, the annual wet and dry seasons are recognized and tracked. A calendar year is an approximation of the number of days of the Earth's orbital period, as counted in a given calendar. The Gregorian calendar, or modern calendar, presents its calendar year to be either a common year of 365 days or a leap year of 366 days, as do the Julian calendars. For the Gregorian calendar, the average length of the calendar year (the ...
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Living People
Related categories * :Year of birth missing (living people) / :Year of birth unknown * :Date of birth missing (living people) / :Date of birth unknown * :Place of birth missing (living people) / :Place of birth unknown * :Year of death missing / :Year of death unknown * :Date of death missing / :Date of death unknown * :Place of death missing / :Place of death unknown * :Missing middle or first names See also * :Dead people * :Template:L, which generates this category or death years, and birth year and sort keys. : {{DEFAULTSORT:Living people 21st-century people People by status ...
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Canadian Physicists
Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of their being ''Canadian''. Canada is a multilingual and multicultural society home to people of groups of many different ethnic, religious, and national origins, with the majority of the population made up of Old World immigrants and their descendants. Following the initial period of French and then the much larger British colonization, different waves (or peaks) of immigration and settlement of non-indigenous peoples took place over the course of nearly two centuries and continue today. Elements of Indigenous, French, British, and more recent immigrant customs, languages, and religions have combined to form the culture of Canada, and thus a Canadian identity. Canada has also been strongly influenced by its linguistic, geographic, an ...
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American Association Of Physicists In Medicine
The American Association of Physicists in Medicine (AAPM) is a scientific, educational, and professional organization of Medical Physicists. In 2011, it absorbed the American College of Medical Physics Their headquarters are located at 1631 Prince Street, Alexandria, Virginia. Publications include two scientific journals ''Medical Physics'' and the ''Journal of Applied Clinical Medical Physics'' (JACMP), as well as technical reports, and symposium proceedings. The purposes of the American Association of Physicists in Medicine are to promote the application of physics to medicine and biology and to encourage interest and training in medical physics and related fields. AAPM has established ''Medical Physics'' as its primary scientific and informational journal. AAPM is a Member of the American Institute of Physics and has over 8000 members. Regional chapters of the AAPM hold regular scientific meetings for their members. For example the New England Chapter typically meets three ...
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Medical Physics (journal)
''Medical Physics'' is a monthly peer-reviewed scientific journal covering research on medical physics. The first issue was published in January 1974. Medical Physics is an official journal of the American Association of Physicists in Medicine, the Canadian Organization of Medical Physicists, the Canadian College of Physicists in Medicine and the International Organization for Medical Physics. The editor-in-chief is John M. Boone (UC Davis Medical Center). Abstracting and indexing ''Medical Physics'' is indexed in: * Chemical Abstracts Service * Index Medicus/MEDLINE/PubMed * Scopus According to the ''Journal Citation Reports'', the journal has a 2021 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as ... of 4.506, ranking it 44th out of 136 journals in the category " ...
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Radiation Therapy
Radiation therapy or radiotherapy, often abbreviated RT, RTx, or XRT, is a therapy using ionizing radiation, generally provided as part of cancer treatment to control or kill malignant cells and normally delivered by a linear accelerator. Radiation therapy may be curative in a number of types of cancer if they are localized to one area of the body. It may also be used as part of adjuvant therapy, to prevent tumor recurrence after surgery to remove a primary malignant tumor (for example, early stages of breast cancer). Radiation therapy is synergistic with chemotherapy, and has been used before, during, and after chemotherapy in susceptible cancers. The subspecialty of oncology concerned with radiotherapy is called radiation oncology. A physician who practices in this subspecialty is a radiation oncologist. Radiation therapy is commonly applied to the cancerous tumor because of its ability to control cell growth. Ionizing radiation works by damaging the DNA of cancerous tissue ...
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Medical Physicist
A medical physicist is a health professional with specialist education and training in the concepts and techniques of applying physics in medicine and competent to practice independently in one or more of the subfields (specialties) of medical physics. A medical physicist plays a fundamental role in applying physics to medicine, but particularly in the diagnosis and treatment of cancer. The scientific and technological progress in medical physics has led to a variety of skills that must be integrated into the role of a medical physicist in order for them to perform their job. The "medical services" provided to patients undergoing diagnostic and therapeutic treatments must, therefore, be the result of different but complementary skills. In general, the medical physicist is responsible for all scientific and technical aspects of imaging, radiation treatment, and radiation safety. It is their occupational role to ensure that medical modalities offered to patients are met with the utmost ...
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Image-guided Radiation Therapy
Image-guided radiation therapy is the process of frequent imaging, during a course of radiation treatment, used to direct the treatment, position the patient, and compare to the pre-therapy imaging from the treatment plan. Immediately prior to, or during, a treatment fraction, the patient is localized in the treatment room in the same position as planned from the reference imaging dataset. An example of IGRT would include comparison of a cone beam computed tomography (CBCT) dataset, acquired on the treatment machine, with the computed tomography (CT) dataset from planning. IGRT would also include matching planar kilovoltage (kV) radiographs or megavoltage (MV) images with digital reconstructed radiographs (DRRs) from the planning CT. This process is distinct from the use of imaging to delineate targets and organs in the planning process of radiation therapy. However, there is a connection between the imaging processes as IGRT relies directly on the imaging modalities from planni ...
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Jeffrey Siewerdsen
Jeffrey Harold Siewerdsen (born 1969) is an American physicist and biomedical engineer who is a Professor of Biomedical Engineering, Computer Science, Radiology, and Neurosurgery at Johns Hopkins University. He is Co-Director of the Carnegie Center for Surgical Innovation at Johns Hopkins School of Medicine and is a member of the Malone Center for Engineering in Healthcare. He is among the original inventors of cone-beam CT-guided radiotherapy as well as weight-bearing cone-beam CT for musculoskeletal radiology and orthopedic surgery. His work also includes the early development of flat-panel detectors on mobile C-arms for intraoperative cone-beam CT in image-guided surgery. He developed early models for the signal and noise performance of flat-panel detectors and later extended such analysis to dual-energy imaging and 3D imaging performance in cone-beam CT. His core laboratory at Johns Hopkins University is the ISTAR Lab (Imaging for Surgery, Therapy, and Radiology) in the Depa ...
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