. 2011 Sep 5;6:107. doi: 10.1186/1748-717X-6-107

Table 1.

Normal liver tissue tolerance dose and volume of irradiation effect

	6w T1-w	12w T1-w	6w T2-w	12w T2-w
n =	44	36	48	33

Dose/Gy	13.7 ± 4.8	16.7 ± 5.0	14.3 ± 6.2	16.6 ± 6.4
Volume/cm³	190.3 ± 158.6	127.2 ± 118.8	190.0 ± 166.4	157.0 ± 143.5

Mean normal liver tissue tolerance dose and volume (± standard deviation) for interstitial edema assessed by hyperintensity on T2-w images and hepatocyte dysfunction assessed by hypointensity on T1-w images six/twelve weeks (6w and 12w) after HDR-BT (n: number of MRI examinations evaluated).