Discrimination of Nasopharyngeal Carcinoma from Noncancerous Ex Vivo Tissue Using Reflectance Spectroscopy

Table 1

Sample characteristic.

Sample type	Pathologic types	Number
Nasopharyngeal cancerous (NPC) patients ()	Undifferentiated; nonkeratinizing carcinomas	17
	Differentiated; nonkeratinizing carcinomas	2
Nasopharyngeal noncancerous patients ()	Chronic inflammations	15
	Lymphoma	2
	Lymphoid tissues hyperplasia	1