Abstract
References
1.
Franchi
A.
,
Moroni
M.
,
Massi
D.
Sinonasal undifferentiated carcinoma, nasopharyngeal-type undifferentiated carcinoma, and keratinizing and nonkeratinizing squamous cell carcinoma express different cytokeratin patterns . Am J Surg Pathol 2002 ; 26 : 1597 –1604 .
2.
Heng
D.M.
,
Wee
J.
,
Fong
K.W.
Prognostic factors in 677 patients in Singapore with nondisseminated nasopharyngeal carcinoma . Cancer 1999 ; 86 : 1912 –20 .
3.
Wei
W.I.
Nasopharyngeal cancer: Current status of management. A New York Head and Neck Society lecture . Arch Otolaryngol Head Neck Surg 2001 ; 127 : 766 –9 .