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RISS 인기검색어
- 검색키워드
- 저자 : John M. Carethers (검색결과 4 건)
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The United States System for Training of Gastroenterologists in Oncology
John M. Carethers Korean Society of Gastrointestinal Cancer 2014 Journal of digestive cancer reports Vol.2 No.1
Competency for practicing gastroenterology in the United States requires accredited training in Internal Medicine, followed by accredited training in gastroenterology and hepatology. The structured training encompasses a 3-year period after graduation with a medical degree for internal medicine, followed by a 3-year period for gastroenterology and hepatology. Within the gastroenterology training period, competency in oncology knowledge and procedural approaches to luminal and solid gastrointestinal organ cancers is required, whereas knowledge competency but not procedural competency is required in areas of advanced endoscopic procedures for cancer care. Only general knowledge, but not competency, is required for areas such as chemotherapy, which can be obtained with further optional training in a structured 2-year oncology fellowship program. Although there is no standardization to date for including full oncology training within a gastroenterology training program in the United States, there is great interest from gastroenterology professional societies to include a pathway for trainees within the gastroenterology training program.
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Current and Future Role of the Gastroenterologist in GI Cancer Management
John M. Carethers Korean Society of Gastrointestinal Cancer 2013 Journal of digestive cancer reports Vol.1 No.2
With advances in technology, advances in the understanding of biology of cancer, and the advent of improved and novel therapies, the role of the gastroenterologist has been modified greatly over the past 2 decades, and continues to be shaped by the knowledge, skill, and opportunity to capitalize on the unique position that gastroenterologists hold in the patient care continuum. The gastroenterologist is evolving from a "pure" diagnostician to an endoscopic surgeon, a geneticist, a nutritionist, an immunologist and chemotherapist, and palliative care physician.
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Biomarker-directed Targeted Therapy in Colorectal Cancer
John M. Carethers Korean Society of Gastrointestinal Cancer 2015 Journal of digestive cancer reports Vol.3 No.1
With advances in the understanding of the biology and genetics of colorectal cancer (CRC), diagnostic biomarkers that may predict the existence or future presence of cancer or a hereditary condition, and prognostic and treatment biomarkers that may direct the approach to therapy have been developed. Biomarkers can be ascertained and assayed from any tissue that may demonstrate the diagnostic or prognostic value, including from blood cells, epithelial cells via buccal swab, fresh or archival cancer tissue, as well as from cells shed into fecal material. For CRC, current examples of biomarkers for screening and surveillance include germline testing for suspected hereditary CRC syndromes, and stool DNA tests for screening average at-risk patients. Molecular biomarkers for CRC that may alter patient care and treatment include the presence or absence of microsatellite instability, the presence or absence of mutant KRAS, BRAF or PIK3CA, and the level of expression of 15-PGDH in the colorectal mucosa. Molecularly targeted therapies and some general therapeutic approaches rely on biomarker information. Additional novel biomarkers are on the horizon that will undoubtedly further the approach to precision or individualized medicine.
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