Friday, April 19, 2019
Ct scan radiation risk and young patients Article
Ct watch beam hazard and young patients - Article ExampleCT machines have become much faster, and now, it is possible to skip any body part in really less time. The image quality that is on offer is to a fault much better than the older genesis of CT machines. At present, the latest multi-slice CT scan machine can accumulate information at around 350 ms. Within less than a second, it is possible for the CT scan machine to use one thousand thousands of data points and then reconstruct a 512 x 512-matrix image from this. CT scan is among the best and fastest, non-invasive investigative musical mode for the evaluation of the abdomen, pelvis and chest, and gives a well-defined, cross-sectional view. CT scan is ideal in the diagnosis of crabby person of various organs including the liver, pancreas, lung etc. and allows the surgeon to identify a tumor, including its size, location and how much it has spread to adjacent tissue. Among its different uses include the diagnosis and t reatment of vascular diseases, pulmonary embolism and abdominal aortic aneurysms, skeletal lesions etc. CT is also widely used in children, in the evaluation of various tumors of the body same(p) neuroblastoma, lymphoma etc and in the imaging of the kidneys. However, when compared to conventional radiography, the use of CT involves much higher doses, and there is a risk of radioactivity. Many studies have been published about this issue, especially the risk in children. Children are more radiosensitive to radiation exposure when compared to adults. It is estimated that children are ten times more sensitive to effect of radiation than middle- senile adults. Children have more time to develop a radiation-induced cancer due to a longer life-expectancy when compared to adults. It has also been shown that there is an increased dose per milliampere-second, and an increased sprightliness risk per unit dose. It has been estimated that in a 1-year-old child, the lifetime cancer mortality risks due to CT scan radiation exposure is around 0.07% (for a creative thinker scan) and around 0.18% (for an abdominal scan). This amount of radiation exposure is much higher than what an adult would be undefended to. Another major concern is the trend to use multiple scans. It is felt that when compared to just peerless scan, twain to three scans could theoretically double or triple the risk of cancer. Sometimes, during a single examination, more than one scan would be done, which increases the radiation dose further. Thus, in the vast majority of cases, a single scan should be enough. Many studies have provided information that there is link between high dose radiation and the development of malignant tumors in children. In February 2001, the American Journal of Roentgenology was among the first journals to publish the risk of radiation in a young patient after a CT scan. It is also quite communal nowadays to use CT as a screening technique even for minor complaints resemb ling headache, and this has added to the controversy. One large study has estimated that on an average, a child would be asked to get a CT scan seven times by the age of eighteen. It has been estimated that in the US alone, about 5 million CT scans are being performed in pediatric patients annually. Another concern is the excessive use of CT scans as a screening tool in patients who are asymptomatic. Due to all these concerns, there is a pressing need to avoid excess radiation dose from CT scanning and optimize the CT scan protocols, especially in young patients. The risk to benefit should always be considered and alternatives to CT scan like MRI or ultrasound should be
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