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兔乳腺肿瘤及炎性病变前哨淋巴结间接CT淋巴造影实验研究 |
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st media injection. And then， Methylene Blue， with the same method and same dosage， was injected into the same place. Dissect the right armpit after massaging 30 s. Search blue lymphnodes and take them to the pathological examination.Results The excellent enhancement of all of the SLNs in right armpit was demonstrated. The peak enhancement was obtained 1min after injection. The peak value was (106.24±28.26)Hu. All of the afferent lymphatics of SLNs were visualized. The non-SLNs got the slight enhancement. The peak value was (59.43±11.62)Hu. A part of the afferent lymphatics of non-SLNs were visualized. The volume of the metastatic SLNs was larger than normal SLNs. And there was the phenomenon of filling defect of contrast media in them. The volume of the inflammatory SLNs was larger than normal SLNs too. There was not the phenomenon of filling defect of contrast media in them. The volume of the normal SLNs was small， and there was not the phenomenon of filling defect of contrast media in them. The 3D imaging was rebuilt with the CT scanning datus when 1min after injection. It was demonstrated clearly that the shape of SLNs and the relation with other structures in 3D imaging. In MIP imaging， the max-diameter and the min-diameter of the SLNs were：(10.33±2.63)and(7.50±1.82)mm (metastatic)，(8.09±1.64)and(4.72±0.53)mm (inflammatoy);(6.38±1.61)and(3.31±1.10)mm (normal). Statistics： there was noticeable difference between tumor group SLNs and normal group SLNs in the long-diameter and short-diameter (tumor group >normal group， P<0.05)，there was noticeable difference between inflammation group SLNs and normal group SLNs in the long-diameter and short-diameter (inflammation group >normal group， P<0.05)，there was noticeable difference between tumor group SLNs and inflammation group SLNs in the long-diameter and short-diameter (tumor group>inflammation group， P<0.05). The adjacent muscle of chest wall was not enhanced and the adjacent vein was enhanced sligh 上一页 [1] [2] [3] [4] [5] 下一页
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