Table 1. Clinical characteristics of 10 patients with Nasopharyngeal adenoid cystic carcinoma (NACC).

No	Age	Sex	Clinical symptoms	Duration of symptoms (months)	Mucosa changes	Nerve palsy	Antibody of EBV	Pathologic types	Stage	Treatment	Recurrence
1	51	M	Nasal obstruction; epistaxis; tinnitus in the right ear	3	Protrusion in the roof and posterior wall	V1,2,3(+)	(-)	Cribriform	T4N0M0	Radiotherapy; adjuvant chemotherapy	No
2	56	F	Headache; bilateral tinnitus; pharyngalgia	5	Protrusion in the right wall		(-)	Tubular	T3N0M0	Radiotherapy	No
3	67	M	Nasal obstruction; epistaxis	12	Nodular tumour in the roof		(-)	Tubular	T3N0M0	Radiotherapy	Yes; 1.5 years after treatment
4	40	M	Epistaxis; bilateral hearing loss	6	Lump in the roof and posterior wall		(-)	Cribriform	T2bN0M0	Surgical resection; radiotherapy	No
5	40	M	Tinnitus in the right ear; headache	1	Protrusion in the right wall with smooth surface		(-)	Cribriform	T3N0M0	Radiotherapy	No
6	38	M	Tinnitus and hearing loss in the right ear	2	Protrusion in the right wall with smooth surface		(-)	Cribriform	T4N1M0	Radiotherapy; adjuvant chemotherapy	No
7	54	M	Tinnitus in the right ear; restriction of mouth opening	24	Protrusion in the roof and posterior wall		(-)	Tubular	T4N2M0	Radiotherapy; adjuvant chemotherapy	No
8	51	F	Headache; diplopia; facial anesthesia; hearing loss	3	Protrusion in the left wall	V1,2,3(+)	(-)	Cribriform	T4N1M0	Radiotherapy	No
9	64	M	Epistaxis; pharyngalgia	0.5	Protrusion in the roof and posterior wall with smooth surface		(-)	Tubular	T4N0M0	Radiotherapy	No
10	25	F	Headache; tinnitus in the right ear; restriction of mouth opening	18	Protrusion in the right wall with smooth surface	V3(+)	(-)	Solid	T4N0M1	Radiotherapy; adjuvant chemotherapy	No; with lung metastasis