3D-image-guided high-dose-rate intracavitary brachytherapy for salvage treatment of locally persistent nasopharyngeal carcinoma

Table 1 Characteristics of 32 NPC patients with locally persistent after IMRT

Characteristic		N	%
Age (years)	Median	44
Age (years)	Range	29 ~68
Gender	Male	25	78.1
Gender	Female	7	21.9
Histology	WHO type I	1	3.1
	WHO type II	6	18.8
	WHO type III	25	78.1
T stage	T1	6	18.8
	T2	12	37.5
	T3	12	37.5
	T4	2	6.2
N stage	N0	12	37.5
	N1	14	43.8
	N2	5	15.6
	N3	1	3.1
AJCC Stage	I	4	12.5
	II	12	37.5
	III	13	40.6
	IV	3	9.4
Concurrent chemo-radiotherapy	Received	6	18.8
Concurrent chemo-radiotherapy	Not received	26	81.2

NPC: Nasopharyngeal Carcinoma; IMRT: Intensity-modulated Radiotherapy; WHO: World Health Organization; AJCC: the American Joint Committee on Cancer staging 7th edition (2011).

ISSN: 1748-717X