Benign Paroxysmal Positional Vertigo in Irradiated Nasopharyngeal Carcinoma Survivors

Table 1

Clinical characteristics of 11 irradiated NPC patients with BPPV.

Patient	Gender	Stage	Age at RT (yrs)	RT dose (Gy)	Neck fibrosis	Latency (yrs)	Otitis media	Outcome
1	F	II	53	122	N	3	COM	Alive
2	M	II	45	74	Y	5	OME	Died
3	M	III	32	124	N	7	OME	Alive
4	M	IV	44	120	N	4	COM	Died
5	F	I	60	70	N	6	N	Alive
6	M	I	57	126	Y	6	OME	Alive
7	M	II	43	72	N	7	COM	Alive
8	F	II	65	120	N	3	N	Alive
9	M	IV	51	128	Y	7	COM	Died
10	M	III	48	130	N	5	OME	Alive
11	F	II	54	78	N	4	OME	Alive

RT dose: radiotherapy dose (Gy); F: female; M: male; Y: yes; N: no; latency: the latency period between the final RT session and the occurrence of BPPV; COM: chronic otitis media; OME: otitis media with effusion.