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What are the components used in tumor classification? |
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Definition
anatomic site, biological behavior, cell of origin, well differentiatied, undifferentiated, benign, malignant, sarcoma, carcinoma |
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Definition
slow-growing, have suffix -oma, well differentiated, do not metasticize |
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prefix sarci- or carci-, well differentiated to undifferentiated, ability to metasticize, invade and destroy normal tissue, can cause death |
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Definition
T:size (T1-T4) N: Lymph Node Involvement (N1-N4) M: Metastatic extent (M0-M1) |
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Definition
Gx-G4; Measure of aggressiveness |
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Term
Explain the role of surgery in cancer |
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Definition
localized; can be involved in diagnosis, staging, treatment, palliation, and identification of treatment response |
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Definition
systemic; drugs administered orally, through injection, perfusion, or topically |
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Describe radiation therapy |
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Definition
alone or with other treatment modalities; preserve function and better cosmetic results, palliation,external beam, intraoperative, brachytherapy |
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Definition
the study of the causes of a disease. |
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Definition
the study of disease incidence. the patterns of cancer occurance and the death rates. |
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Term
What is the theory of cancer initiation |
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Definition
tumors stem from abnormal cellular proliferation |
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Definition
life expectancy based on patterns of spread, behavioral characteristics, tumor site, and patient factors |
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Term
Describe retrospective clinical trials |
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Definition
the review of past patient treatment and reactions |
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describe prospective studies |
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Definition
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Definition
sample cells are collected via needle aspiration, core needle, endoscopic, incisional, and excisional means. used to determine malignant or benign tumors |
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Term
explain metasticis and how they occur |
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Definition
spreading ot a site in the body distant from the primary site via lymph nodes or blood |
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Definition
the axis of rotation of the gantry, couch, and collimators |
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Term
kids can water eggs as basements tell time. pick beamfilter in the ioc on the second mldc |
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Definition
klystron circulator waveguide electron gun accelerator structure bending magnet tungsten target. primary collimator beam flattening filter ion chamber secondary collimator mlc |
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Term
describe orthogonal imaging |
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Definition
orthogonal imaging is when two images are taken at 90 degree angles from one another, localizing isocenter on all planes |
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Term
what is a fiducial marker |
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Definition
markers placed as reference marks |
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Term
what are shielding blocks |
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Definition
used to shape photon or electron fields |
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Definition
multileaf collimators. use jaws to shape treatment field |
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Definition
source-skin distance; ODI (optimal distance indicator helps determine this) |
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Definition
the measure of the angle between the central rays of two intersecting treatment beams |
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Term
What are the five things necessary in a radiation oncologist's prescription |
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Definition
site, dose, daily dose, technique, radiation oncologist's signature |
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Term
discuss prevention, early detection, signs, symptoms, syndromes and diagnosis |
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Definition
sign; objective finding as perceived by an examiner symptom; subjective indication of a disease or a change in condition as percieved by the patient syndrome:a set of signs or symptoms that arise from a common cause diagnosis:identification of a disease or condition |
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