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Wysłany: Pon 3:55, 14 Mar 2011
Temat postu: tory burch oib twj cpn nmc
,
ghd italia
Dual energy subtraction and conventional digital X -ray photography Comparative study of diagnosis of rib fracture
Diagnostic value of RF 3DES DES can be obtained after the subtraction image and a piece of bone and soft tissue images were observed in the chest can be soft tissue and bone , with the ability to directly observe the ribs . In addition , DES rib bone image contrast was significantly higher than CDR images. These advantages are beneficial to a variety of fractures of the display of signs . But there are also negative factors DES : DES as part of multi- imaging , the introduction of a corresponding increase in noise ,
tory burch
, decreased sharpness of the image , the image detail of less than CDR; double exposure method imaging , breathing , heart rate, body position movement can cause motion artifacts L 】 】 . Motion artifact manifested as black or white stripes video ,
UGG stivali
, and a linear fracture line very close to transparent film , the two confused . In addition, motion artifact overlaps with the fracture line ,
mbt scarpe
, can fracture line of the image distortion , deformation. RF * 827 * occurs when fresh , often because of pain so that patients can not breath very well produced motion artifacts than the obvious , which is the display of the fresh RF negative . In this study,
belstaff españa
, although the DES show more than the fresh RF was excellent in CDR, but the difference was not statistically significant between the two . Callus can be divided according to duration of fibrous callus , bone and bone callus bone callus bone , in which fibrous callus bone callus and the bone does not develop in the CDR , the bone callus bone to a certain extent when Calcinosis To the CDR on the development . DES bone image than on calcinosis CDR -sensitive , some subtle callus can not easily be found on the CDR , and in the DES can often be clear on the display . The group results show that the evaluation of the healing of the DES is superior to RF CDR. In this study, on the posteroanterior film covered by the diaphragm or the heart of the RF total of nine , DES 5 of the display of less than one CDR. These parts of the RF, still need to refer to other anthropometric photography, and even CT examination to confirm the diagnosis J.
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