Rim enhancement in colorectal metastases at CT during infusion hepatic arteriography
Rim enhancement in colorectal metastases at CT during infusion hepatic arteriography
复制标题
输注肝动脉造影期间 CT 结直肠转移瘤的边缘增强
DOI：
10.1080/02841859709172093
复制
发表时间：
1997
期刊：
影响因子：
1.3
通讯作者：
S. Kusano
中科院分区：
文献类型：
--
作者：
T. Irie;Y. Tsushima;S. Terahata;K. Hatsuse;S. Kusano
目的：目的探讨结肠直肠转移瘤CT灌注肝动脉造影（CTIHA）边缘强化的形态学基础。材料和方法：对9例转移瘤CTIHA增强边缘的11个扇形缺损进行分析。观察相应病理标本的肝实质扇形缺损。我们研究了CTIHA边缘增强的扇形缺陷中心角与组织切片中肝实质区的扇形缺陷中心角之间是否存在相关性。增强边缘的内径和外径也与动脉门静脉造影（CTAP）期间CT所见的转移瘤直径进行了比较。结果如下：CTIHA边缘增强的扇形缺损中心角与组织切片中肝实质区的扇形缺损角之间存在显著相关性（p = 0.008，斯皮尔曼检验）。CTAP测量的转移瘤直径大于CTIHA中增强边缘的内径，小于CTIHA中增强边缘的外径，即CTAP中所见的结节边缘位于肝实质中而不是肿瘤组织中。结论：结直肠转移瘤CTIHA边缘强化的形态学基础是肝实质。
Purpose: to evaluate the morphologic substrate of the rim enhancement of colorec-tal metastases seen at CT during infusion hepatic arteriography (CTIHA). Material and Methods: Eleven sector defects in the enhancing rim of 9 metastases at CTIHA were analyzed. the corresponding pathologic specimens were investigated for sector defects of liver parenchyma. We investigated whether there was a correlation between the central angle of the sector defects of rim enhancement at CTIHA and that of sector defects in the zone of liver parenchyma in histologic slices. the inner and outer diameters of the enhancing rim were also compared with the diameter of the metastases as seen at CT during arterial portography (CTAP). Results: There was a significant correlation between the central angle of sector defects of rim enhancement at CTIHA and the angle of sector defects in the zone of liver parenchyma in histologic slices (p=0.008, Spearman's test). the diameter of the metastases measured at CTAP was larger than the inner diameter and smaller than the outer diameter of the enhancing rim in CTIHA, i.e. the margins of the nodules as seen in CTAP are located in liver parenchyma and not in tumor tissue. Conclusion: the morphologic substrate of the rim enhancement of colorectal metastases seen at CTIHA is liver parenchyma.