论文部分内容阅读
目的分析不同b值下正常老年前列腺的DWI表现,并初步提出正常老年前列腺外周带ADC的参考值范围。方法选取113例60岁以上正常老年前列腺行MRI检查,分别测量不同b值(b=500、800、1000s/mm2)下前列腺外周带的ADC值,并对其外周带的ADC值进行统计学分析。结果随着b值的增大前列腺外周带ADC值逐渐减小,两两组间比较具有统计学意义(P<0.05)。不同b值下正常老年前列腺外周带ADC值95%参考值范围分别为:b值=500s/mm2时(1.26～2.46)×10-3mm2/s、b值=800s/mm2时(1.19～2.29)×10-3mm2/s、b值=1000s/mm2时(1.15～2.17)×10-3mm2/s。结论不同b值下正常老年前列腺外周带ADC值有差异,正常老年前列腺外周带ADC参考值范围的提出对前列腺外周带疾病的诊断具有一定的参考价值。
Objective To analyze the DWI of normal elderly prostate under different b values and to preliminarily put forward the reference value range of normal peripheral prostate ADC. Methods One hundred and thirteen patients aged 60 years and over were examined by MRI. The ADC value of the peripheral zone of the prostate with different b value (b = 500,800,1000 s / mm2) was measured and the ADC value of the peripheral zone was statistically analyzed . Results With the increase of b value, the value of ADC in the peripheral zone decreased gradually, and the difference between the two groups was statistically significant (P <0.05). The reference value range of 95% of the ADC value of the peripheral band of normal elderly prostate with different b values are as follows: b = 500s / mm2 (1.26-2.46) × 10-3mm2 / s, b = 800s / × 10 -3 mm 2 / s, b value = 1000 s / mm 2 (1.15 to 2.17) × 10 -3 mm 2 / s. Conclusions There are differences in the ADC values of peripheral bands in normal elderly patients at different b values. The reference value range of ADCs in the peripheral zone of normal elderly people is valuable for the diagnosis of peripheral disease in the prostate.