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Radiation therapy quizlet
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Since the beginning of the propitious world, the core aspect that keeps it thriving is the propensity for people to discover innovations; however, progress of the past is, systematically, detrimental to the future. Not long after the revolutionary invention of the X-ray in the late 19th Century, an unprecedented number of medical examiners noticed (unknown to the time) radiation burns all over their body; decades later, an extraordinary surge in cancer cases had arisen. Perhaps, during the course of these years, scientists and researchers desired to further progress the x-ray (into the immense subsidiaries that are here today), and disregarded any flaws in the apparatus. This systematic inclination continues into the present time as Gary Marshall and Shane Keene notes in their 2007 article, “New technologies allow for patients to be overexposed routinely, and also allow for repeats to be taken quickly, making it easier for a technologist to multiply the patients dose without considering the implications” (5). The gaffes of radiology are present not only in the diagnostic setting, but also in the surgical and therapeutic areas. Working with radiation, it is imperative that the staff is aware of mistakes that are potentially fatal not only for patients, but themselves. It is especially important for medical radiologists to be cognizant of pediatric patients. The standard practice of pediatric radiology in the United States is to follow the step-by step formula from which adult patients are treated and diagnosed. There are copious consequences for following this technique since a child naturally has less body mass and a weaker immune and lymphatic system to manage radiation and its adverse effects. Medical radiology, being a...
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...ing Standard 20.47 (2006): 47-57. Academic Search Premier. Web. 23 Nov. 2013.
Marshall, Gary W., and Shane Keene. "Radiation Safety in the Modern Radiology Department:
A Growing Concern." Internet Journal of Radiology 5.2 (2007): 4. Academic Search Premier. Web. 23 Nov. 2013.
Oswal, Nilesh, et al. "Cardiac Magnetic Resonance Imaging Predicts Cardiac Catheter Findings
For Great Artery Stenosis in Children with Congenital Cardiac Disease." Cardiology in the Young 22.2 (2012): 178-183. Academic Search Premier. Web. 17 Nov. 2013.
Shenoy-Bhangle, A., K. Nimkin, and M. S. Gee. "Pediatric Imaging: Current and Emerging
Techniques." Journal of Postgraduate Medicine 56.2 (2010): 98-102. Academic Search Premier. Web. 19 Nov. 2013.
United States Department of Health and Human Services. “Radiation Therapy for Cancer”
National Cancer Institute (2010): 1-12. Web. 19 Nov. 2013.
the effective doses from diagnostic CT procedures are typically estimated to be in the range of 1 to 10 mSv. This range is not much less than the lowest doses of 5 to 20 mSv estimated to have been received by some of the Japanese survivors of the atomic bombs. These survivors, who are estimated to have experienced doses slightly larger than those encountered in CT, have demonstrated a small but increased radiation-related excess relative risk for
The role of the radiologist is one that has undergone numerous changes over the years and continues to evolve a rapid pace. Radiologists specialize in the diagnoses of disease through obtaining and interpreting medical images. There are a number of different devices and procedures at the disposal of a radiologist to aid him or her in these diagnoses’. Some images are obtained by using x-ray or other radioactive substances, others through the use of sound waves and the body’s natural magnetism. Another sector of radiology focuses on the treatment of certain diseases using radiation (RSNA). Due to vast clinical work and correlated studies, the radiologist may additionally sub-specialize in various areas. Some of these sub-specialties include breast imaging, cardiovascular, Computed Tomography (CT), diagnostic radiology, emergency, gastrointestinal, genitourinary, Magnetic Resonance Imaging (MRI), musculoskeletal, neuroradiology, nuclear medicine, pediatric radiology, radiobiology, and Ultrasound (Schenter). After spending a vast amount of time on research and going to internship at the hospital, I have come to realize that my passion in science has greatly intensified. Furthermore, both experiences helped to shape up my future goals more prominently than before, which is coupled with the fact that I have now established a profound interest in radiology, or rather nuclear medicine.
Potter, J. E., White, K., Hopkins, K., Amastae, J., & Grossman, D. (2010). Clinic Versus Over-
Computed tomography (CT) offers the advantages of 3D imaging with volumetric and multi-planar reconstructions (21, 22). Given the relatively high radiation doses involved, CT should not be used in place of conventional radiography, and should be restricted to critically ill children who may need neurosurgical intervention (21). Iterative reconstruction and all appropriate dose reduction techniques should be used to reduce radiation exposure (22).
Davidson, L., Tondora, J., Staeheli, M., O’Connell, M., & Rowe, M. (2009). A practical guide to
During my half day shadowing of Memorial hospitals radiologist, Dr. Armah, I was able to observe several studies. These studies included several CT scans, and three PET/CT 18F-FDG scans. During my shadowing experience I was able to obtain a better understanding of how the radiologist reads images, what makes for good diagnostic images, and what role I play in the quality of the images. The shadowing experience was one of great importance as it proved to be very informative. Such information included technology impacts, various pathologies, and personal reflection on my role.
Many of the experts agree that the dose should be kept as low as possible with minimal exposure to the fetus of any age. It has been shown that fetuses before 16 weeks are the most sensitive to any dose of ionizing radiation and have been shown to have lower IQ’s and verbal scores than those exposed after 16 weeks. Fetuses exposed after 16 weeks have the same amount of risk as children up to 10 years old getting cancer. It is very important to take in to consideration gestational age, shielding, the position of the x-ray tube and the amount of necessity that is considered in taking a radiographic image or performing a radiographic procedure in a pregnant woman.
Wood, W. M., Karvonen, M., Test, D. W., Browder, D., & Algozzine, B. (2004). Promoting
colleagues[1], several novel instruments and techniques have emerged which aid in a more reliable construct less tissue destruction and ultimately greater patient satisfaction.
U.S. National Library of Medicine, 26 Sept. 2011. Web. The Web. The Web. 19 Nov. 2013.
Radiation therapists work closely with patients to fight cancer. According to Health Care Careers, Oncologists, Dosimetrists and nurses are some of the professionals that a radiation therapist works with while caring for a cancer patient. This group of professionals will determine a specialized treatment plan. The first step usually includes a CT scan performed by a radiologist to find the exact area that needs to be targeted with x-rays. Next, the therapist uses a special machine that emits radiation called a Linear Accelerator. They use this machine during a treatment called external beam therapy. During this process, the Linear Accelerator will project x-rays at targeted cancer cells or tumors. Another therapist will be in a different room monitoring the patient’s viral signs until the procedure is over. The external therapy l...
JAMA: Journal of the American Medical Association. 14 Nov. 2001: 2322. Academic Search Complete. Web.
Modern medicine is capable of treating a tremendous range of human disease and injuries, but the usefulness of all medical specialties depends on accurate diagnosis. Virtually every conceivable medical specialty relies on radiological technologies to provide formal diagnoses, making radiology one of the most important of all medical specialties. Radiologists enjoy some of the best working conditions in modern medicine and typically experience very positive employment conditions. Consequently, their services are generally in very high demand, with many starting out with six-figure annual incomes immediately after completion of their professional training.
Radiation protection is a vital topic and when it comes to children, it’s necessity cannot be stressed enough. As a result of the quantity of CT scans on children multiplying 20-fold since 1980, the subject of pediatric radiation protection has expanded into a more public domain (Orth & Goske, 2009). Dr.Orth and Dr.Goske discuss the topic of pediatric radiation protection in regards to computed tomography. They are just a minor part of a great campaign called “Image Gently” that encourages awareness of pediatric radiation protection (Orth & Goske, 2009). Dr,Orth and Dr.Goske do an excellent job of highlighting some of the key topics of this subject from why children are more sensitive to how radiation it affects parents. This essay
Peterson, C. H., Lomas, G. I., Neukrug, E. S., & Bonner, M. W. (2014, January 07). Assessment