 Wysłany: Nie 15:19, 13 Mar 2011 Temat postu: adidas scarpe fpg xbc fkn zev |
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Cerebral arteriovenous malformation dimensional electron beam CT angiography clinical applications Values to ensure that the information is not lost as much as possible ,ugg boots italia, so MIP to more comprehensive , continuous display feeding arteries, but the lack of three-dimensional 1 '. Draining vein in the display area , ss 【 ) and MIP method were 89.3%. Show poor drainage are deep set of veins and to the cavernous sinus , petrosal sinus, basal venous plexus of cases , mainly because : (1) EBCTA not reflect the dynamic changes of hemodynamics , which in the late imaging group deep venous drainage And the case of venous sinus is not well displayed; (2 ) As estimated before the examination is not sufficient . Not result in missing scan range . Data from this group shows up most satisfaction for the transverse sinus , sigmoid sinus ,mbt scarpe outlet, superior sagittal sinus, straight sinus , the results showed that no significant difference in this respect between the two [3-5J. For the Ss 【 ) and M feeding arteries and draining veins were poor situation. Improved methods can be used : (1) M Law and ss 【 ) a combination of both , the use of ssD reconstructed , the corresponding lower the threshold ; ( 2 ) scan mode CVS with non-overlapping scan ; (3 ) If the previous line DSA, DSA should be studied prior images or CT images. Accurate positioning is not missing ; (4 ) if necessary, scanning the opposite direction immediately after the scan , may help venous return observed , but further study L6J. Cerebral arteriovenous malformation on the inspection methods do not overlap Overlap scanning. This scan the same level,mbt scarpe, longer than 1 times by Overlap extension ,adidas scarpe, the purpose of developing venous fully . |
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