Optimized Cylindrical Diffuser Powers for Interstitial PDT Breast Cancer Treatment Planning: A Simulation Study

Table 1

.

Node number	Tumor diameter (cm)	Total slices in the node	Power of the central fiber reaches up to slice	Power of the central fiber (mW/cm)	Power of surrounding fibers (mW/cm)	Target dose reaches up to volume %	Length of the surrounding diffusers (cm)	The distance (cm)
1	0.5	5	All	65	—	100	0.4170	—
2	1	10	All	70	—	99.3	0.8330	—
3	1.5	15	4	65	30	98.8	1.2520	0.4135
4	2	20	2	65	55	95.7	1.6701	0.5513
5	2.5	25	2	65	90	92.7	2.0802	0.6892
6	3	30	2	70	135	90.3	2.5029	0.8270
7	3.5	35	2	65	175	85.5	2.9200	0.9648
8	4	40	4	70	145	68	3.3372	1.027
9	4.5	45	2	75	195	67	3.7543	1.2405
10	5	50	2	80	235	63	4.1714	1.3783