|
|
|
| Enhancement characteristics of renal angiomyolipoma with minimal fat on routine biphasic abdominal MSCT |
| SHEN Jiang-chao1, YANG Jian-feng2 |
| 1. Shaoxing Central Hospital, Shaoxing Zhejiang 312030, China;2. Shaoxing People’s Hospital, Shaoxing Zhejiang 312000, China |
|
|
|
|
Abstract Objective: To investigate enhancement characteristics of renal angiomyolipoma with minimal fat(AMLmf) on routine biphasic abdominal MSCT. Methods: Fifteen cases of AMLmf were reviewed retrospectively which confirmed by pathology from February 2007 to April 2013. The CT features of AMLmf were analyzed, and the CT value of lesions and normal nephric cortex in pre-contrasted CT scan, arterial phase, and venous phase were calculated and compared. Enhancement degree of lesions and enhancement ratio between lesions and nephric cortex in arterial phase, venous phase were calculated and compared in our study. Results: The attenuation of the mass was higher than normal nephric parenchymal in plain scan, however, there was no significant difference between them(P=0.068). In arterial phase and venous phase, the enhancement of lesion was avid, but the CT values of mass were lower than nephric cortex significantly(P value was 0.014, 0.001). There were no significant difference in enhancement degree of lesion and enhancement ratio between lesion and nephric cortex in both arterial phase and venous phase(P＞0.05). The enhancement model of AMLmf at biphasic MSCT was plateau curve, and the nephric parenchymal was persistent enhancement type. Conclusions: The enhancement of AMLmf on biphasic abdominal MSCT was avid and the enhancement degree of lesion was similar in both arterial and venous phase, the enhancement of lesion was significant lower than nephric cortex. The enhancement model of AMLmf on biphasic abdominal MSCT was plateau curve.
|
|
Received: 28 November 2014
|
|
|
|
|
|
|
|
|
2015, Vol. 26 
