TABLE 1

Clinical Data on NPC Patients

						Lesion invasion
Patient no.	Sex	Age (y)	Diagnosis	Pathology	Cranial nerve sign	Nasopharynx	Skull base	Brain	Orbit	Confirmation
1	M	41	ND	NKUC	+	+	+	−	−	MRI (CE)
2	M	58	ND	NKUC	+	+	+	+	−	MRI (CE)
3	F	45	Recurrence	NKUC	+	−	−	+	−	MRI (CE)
4	M	47	ND	NKUC	+	+	+	+	−	MRI (CE)
5	F	42	ND	NKUC	+	+	+	+	−	CT (CE)
6	M	68	Recurrence	NKUC	+	+	+	−	+	MRI (CE)
7	F	76	ND	NKUC	+	+	+	+	−	CT (CE)
8	F	49	ND	NKUC	+	+	+	+	+	MRI (CE)
9	M	36	ND	NKUC	+	+	+	+	−	MRI (CE)
10	M	41	ND	NKUC	−	+	+	−	−	CT (CE)
11	M	41	ND	NKUC	+	+	+	+	−	MRI (CE)
12	F	55	Recurrence	NKUC	+	−	+	+	−	MRI (CE)
13	M	37	ND	NKUC	+	+	+	+	+	CT (CE)
14	M	55	Recurrence	NKUC	+	+	+	+	−	MRI (CE)
15	F	45	Recurrence	WDSC	+	−	+	+	−	MRI (CE)

NKUC = nonkeratinizing undifferentiated carcinoma; + = positive; − = negative; CE = contrast enhanced; WDSC = well differentiated squamous carcinoma.