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Chongqing Medicine ; (36): 2884-2886,2909, 2013.
Artículo en Chino | WPRIM | ID: wpr-598481

RESUMEN

Objective To investigate the specific vessels signs in lung cancer by 64-slice spiral CT in first phase perfusion ima-ging so as to get more reasonable time about CT angiography .Methods Among the 47 cases ,there were 38 cases of central and 9 cases of peripheral primary lung cancer underwent 64-slice spiral CT in first phase perfusion imaging :one scan was obtained every 1 seconds during 8-38 seconds with 8 section × I without scanning interval after injection .Precontrast and postcontrast attenuation on every leisions was recorded ,to calculate the peak height(PH) and peak height time by time density curves TDC of pulmonary le-sions to aorta ,those reflect the the tumor feeding artery Imaging about lesions of lung cancer and inflammation .observed and calcu-lated the display rate and display time of lesions of lung cancer and inflammation .means of t test was used for statistics .Results a-bout the peak heights of in pulmonary artery and aorta phese ,statistically significant differences were found between inflammation and lung cancer(P0 .05) . about the peak heights time in aorta phase ,no statistically significant differences were found among three groups (P>0 .05) .The tumor vascularity were discoved in lesions in patients with lung cancer (44/47 cases ,93 .62% );The erosion narrow pulmonary ar-tery were discoved in central lung cancer (37/38 cases ,97 .37% ) ,in peripheral lung cancer(6/9 cases 66 .67% );no abnormal pulmo-nary artery were discoved only in 4 patients with lung cancer .Both tumor vascularity and abnormal pulmonary artery were most dis-plaied in 18-31s in CT angiography .Conclusion 64-slice spiral CT in first phase dynamic perfusion imaging can order completely show the specific vessels signs in lung cancer and reflect the tumor feeding artery Imaging of lung cancer .Analysising those benefi-ted to select reasonably the time of CT angiography and Improve the rate of lung cancer diagnosis .

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