Side effects of CT-guided implantation of 125I seeds for recurrent malignant tumors of the head and neck assisted by 3D printing non co-planar template

Table 2 Absorbed doses of organs at risks in 3D–PNCT-assisted ¹²⁵I seed implantation salvage treatment for recurrent malignant tumors of the head and neck

	D2cc		D0.1cc
	Mean (Gy)	Interval (Gy) (standare deviation)	Mean (Gy)	Interval (Gy) (standared deviation)
Skin	24.9	7.1–85.5 (23.1)	47.5	9.4–167.2 (51.2)
Spinal cord	8.4	4.5–33.3 (9.5)	14.2	13.6–63.0 (17.1)
Mucosa^a	35.1	4.2–82.8 (31.1)	87.0	6.6–214.1 (84.0)
Parotid glands^a	16.2	12.8–19.7 (49.1)	29.8	26.1–33.4 (51.3)
Trachea^a	17.9	2.5–45.9 (14.8)	32.7	3.9–83.9 (28.6)

^aThe dose absorbed by this organ was evaluated in some cases. If the tumor margin was < 5 cm and the CT did not include this organ, we did not estimate its dose

ISSN: 1748-717X