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FATTY METAMORPHOSIS OF HEPATOCELLULAR-CARCINOMA DETECTION WITH CHEMICAL-SHIFT GRADIENT-ECHO MR-IMAGING
被引:88
作者:
MARTIN, J
SENTIS, M
ZIDAN, A
DONOSO, L
PUIG, J
FALCO, J
BELLA, R
机构:
[1] CONSORCI HOSP PARC TAULI,SERV DIAGNOST IMATGE,SABADELL,SPAIN
[2] CONSORCI HOSP PARC TAULI,DEPT PATOL,SABADELL,SPAIN
来源:
关键词:
LIVER;
FATTY;
LIVER NEOPLASMS;
MR;
MAGNETIC RESONANCE (MR);
CHEMICAL SHIFT;
D O I:
10.1148/radiology.195.1.7892452
中图分类号:
R8 [特种医学];
R445 [影像诊断学];
学科分类号:
1002 ;
100207 ;
1009 ;
摘要:
PURPOSE: To assess the value of chemical shift gradient-echo (GRE) magnetic resonance (MR) imaging with th, fast low-angle shot (FLASH) technique to detect fatty metamorphosis in hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Sixty-three cirrhotic patients with 69 HCCs underwent MR imaging at 1.0 T with chemical shift GRE technique. Both opposed-phase and in-phase FLASH imaging with breath holding was performed, and the percentage variation in signal intensity of the nodules between the two images was calculated. RESULTS: Chemical shift GRE imaging depicted fat in 10 HCCs (14%). In these cases, the percentage variation in signal intensity increased notably and was 88.6%-369.3% (mean, 174.7%), which indicated fatty content (sensitivity, 100%; specificity, 100% when compared with fine-needle aspiration cytology). In the remaining 59 nodules, the percentage of signal intensity variation ranged from 12.7% to -19.1% (mean, -4.0%). CONCLUSION: Chemical shift GRE MR imaging can be used to detect fatty metamorphosis in HCC.
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页码:125 / 130
页数:6
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