Effect of vaginal stump markers of diatrizoate on the dose distribution of postoperative radiotherapy for cervical cancer

Xu WANG; Liying GAO; Bingtao LIU; Yue MENG; Yueao CAO; Guoying MIAO; Baoyu ZHU; Bin KANG; Longjin HOU; Xuhui DUAN; Zhangcai ZHENG

doi:10.11889/j.1000-3436.2023-0116

Journal of Radiation Research and Radiation Processing, Volume. 42, Issue 3, 030301(2024)

Effect of vaginal stump markers of diatrizoate on the dose distribution of postoperative radiotherapy for cervical cancer

Xu WANG... Liying GAO, Bingtao LIU, Yue MENG, Yueao CAO, Guoying MIAO, Baoyu ZHU, Bin KANG, Longjin HOU, Xuhui DUAN and Zhangcai ZHENG* |Show fewer author(s)

Author Affiliations

Gansu Provincial Maternity and Child-care Hospital / Gansu Provincial Central Hospital, Lanzhou 730000, China

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Figures & Tables(4)

Fig. 1. Development effect of vaginal stump markers; the red area is the vaginal stump markers of meglumine, the purple is CTV and the blue is PTV ( color online)

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Table 1. Comparison of PTV uniformity and conformance between the two groups
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Table 1. Comparison of PTV uniformity and conformance between the two groups
参数 Parameters Plan A Plan B t值 t values p值 p values
HI 1.047±0.007 1.048±0.006 1.000 0.339
CI 0.868±0.020 0.870±0.019 1.915 0.082

Table 2. Comparison of planned target dosimetry between the two groups

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Table 2. Comparison of planned target dosimetry between the two groups

评价参数 / cGy Evaluation parameters		Plan A	Plan B	t值 t values	p值 p values
CTV	D_80%	46.19±0.13	46.20±0.15	1.535	0.153
	D_85%	46.09±0.13	46.10±0.14	1.307	0.218
	D_90%	45.96±0.13	45.97±0.14	0.748	0.470
	D_95%	45.77±0.12	45.77±0.13	-0.217	0.832
PTV	D_80%	45.98±0.10	45.99±0.11	1.340	0.207
	D_85%	45.85±0.10	45.85±0.11	0.876	0.400
	D_90%	45.67±0.10	45.67±0.10	0.601	0.560
	D_95%	45.38±0.13	45.38±0.13	-0.172	0.866
D_mean		46.47±0.13	46.48±0.14	3.593	0.004
D_max		49.56±0.46	49.57±0.45	0.127	0.901
D_min		38.83±1.50	38.90±1.58	0.766	0.460

Table 3. Comparison of OARs dosimetry between the two groups

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Table 3. Comparison of OARs dosimetry between the two groups

评价参数 / cGy Evaluation parameters		Plan A	Plan B	t值 t values	p值 p values
直肠 Rectum	D_{2 mL}	46.82±0.40	46.86±0.42	1.397	0.190
	D_mean	40.31±1.40	40.32±1.39	0.405	0.693
	D_max	48.27±0.47	48.32±0.42	0.662	0.522
	D_min	6.49±5.02	6.42±5.02	-3.102	0.010
膀胱 Bladder	D_{2 mL}	47.60±0.36	47.63±0.37	1.829	0.095
	D_mean	39.64±1.71	39.65±1.72	0.555	0.590
	D_max	49.14±0.60	48.96±0.54	-1.958	0.079
	D_min	20.35±5.47	20.36±5.35	0.089	0.931
肠袋 Bowel bag	D_{2 mL}	47.79±0.24	47.80±0.23	1.188	0.260
	D_mean	26.73±2.43	26.74±2.43	1.483	0.166
	D_max	49.14±0.33	49.17±0.29	0.406	0.693
	D_min	2.27±1.92	2.28±1.93	0.861	0.408
阴道残端 Vaginal stump	D_{0.1 mL}	46.45±0.44	47.14±0.63	6.098	<0.010

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Xu WANG, Liying GAO, Bingtao LIU, Yue MENG, Yueao CAO, Guoying MIAO, Baoyu ZHU, Bin KANG, Longjin HOU, Xuhui DUAN, Zhangcai ZHENG. Effect of vaginal stump markers of diatrizoate on the dose distribution of postoperative radiotherapy for cervical cancer[J]. Journal of Radiation Research and Radiation Processing, 2024, 42(3): 030301

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